幾千幾百數(shù)加減整百數(shù)能力練習(xí)練習(xí)題

幾千幾百數(shù)加減整百數(shù)能力練習(xí)練習(xí)題姓名：班級：日期：用時(shí)：分鐘得分：1300-800=1500-700=1300+200=2100-200=1800+800=1800-200=1500+700=400-200=700-100=1400-900=2900+800=2600-400=2400-800=2500+800=1400-900=1900+600=3000-500=1300+500=2000+600=1200+800=1000-500=2200-700=800-600=2500+700=2100+900=1400+800=1700-200=900-800=2400-800=2700+600=1800-900=2800-300=2500-900=300-100=2500+100=1500-500=2700+100=1200+900=2500+400=3000+600=2000+200=900-300=2100+100=2900-600=2300-700=1100+900=1900-300=2300-100=1700-800=600-400=2700+500=1500-200=2800-500=2200+800=800-700=2300-200=1800+500=2500+400=2300-900=1400+500=2900+700=1500-600=2000+600=2100+300=2600-900=600-400=2800+100=3000-800=1500-100=2500+200=1400-200=2900+700=2200+200=1400+500=2900+400=2600+100=3000-600=1900+800=1900+800=2400+900=2600+400=1800-500=2900-700=1800+500=900-100=2000-800=1000-700=1500+700=2800+800=1400+900=2400-600=2100+200=2600-500=1300+200=2000-500=2100-900=1400-900=2800+600=1400+900=700-500=1900+600=1200+400=2300+700=1300-100=2400+900=2800+800=2100-800=1700-600=1600+200=2200+600=2700+900=2700-300=2500+500=1800-300=1500-400=1100+400=2500+400=700-400=1900-200=3000+700=1700+600=1400-900=800-700=2100+700=2500+400=1600+300=1100-400=1600-500=1900+500=1300-800=1400+100=800-700=1000-500=2900-500=2400-700=2300+200=900-400=2100-300=2300+300=2100+600=1600-200=2300+600=2800+300=1600-600=2000-700=2700+300=2100-600=2600-800=1400-900=3000+800=900-600=2200+100=2200+300=2500+300=2400+600=2900+800=3000+300=2100-600=1400-700=500-300=1400+500=2700-800=1200-800=2400+900=900-600=2900+500=1700-600=600-400=2300-200=800-600=2100+900=1600+700=3000-400=1000-500=2300-400=2100+700=2000+400=2000+100=300-100=1100+500=2300-700=1100-100=1400-600=2300+100=1700+300=2500-300=600-200=1500+700=1000-900=1100-600=1800-800=1300+500=600-200=1900-700=1000-100=2400-300=1400+100=2100-200=2500+200=2900-800=2800+300=2000+500=2200+200=2600-100=1300-900=1700-400=1200-500=1400+100=900-800=2000-800=1100-600=2600+600=2400-500=1900-900=2700-600=1300-900=2000-900=1000-700=1800-800=2700-900=2700+600=1400+200=1100-400=1600+400=2300+700=1600-500=2600+800=1900+900=2800-400=1800-200=1300-500=1500-100=1900-600=1300+200=1200+600=2700+400=1500-900=1100+500=1600+900=2400+100=1400+600=2300+300=1700-600=1300-300=1200+300=400-200=1400-200=2700+100=3000+600=2700-900=1200+300=1500-300=2300-200=2600+600=2400-700=600-400=1500+100=2200-700=3000-700=2200+400=2100+100=2900+600=3000+700=1600+500=2000-400=2800-200=2600+400=2400+700=2600+800=2400+400=1800+700=3000-400=1900+600=1600+900=2000-100=2700-700=2600-200=1800+600=1800-600=2400+300=1300+300=1600+200=2600-800=1900+800=2900+800=900-800=2300-800=1500+400=1500-200=2600+100=2000-700=1600+600=1400-800=2200+700=1500+500=1600+400=1900-800=1300-500=1600+200=3000+100=900-100=2300+200=2200+200=1200+700=2500-700=1600-400=700-300=900-800=1100+200=500-300=1900+600=1200-800=600-400=2200-600=2200+700=1100+700=1400+200=1300+200=3000-400=2300+700=1900+100=1100-500=2300+300=1200+400=1000-200=1200+900=800-500=1700-300=3000+500=2900+200=1000-800=1500-500=1300+500=2300-900=2600+700=2600+400=2600-200=1800+100=1000-500=2300+900=1900+700=2400+700=1500+100=1800+400=1300+100=2100+800=3000+600=2000+600=1600-400=2600+500=1900-700=1800+500=2000+300=2800+700=1200-800=1300-500=1500+700=2200+400=2200-300=1100+500=2800+500=1400-100=1400+100=2900+900=1500+300=1700-900=1300+600=1700+100=2400-300=1900+600=2200-900=400-100=1200-400=2000-800=2700+300=900-100=2700+700=1300-100=1600-100=700-100=900-700=2100+400=2700-400=700-200=1200+900=1600-500=1300+100=2500+900=2200-600=1700-800=2200-600=1700+100=1100-800=2600+700=2300+900=1300+400=1300-200=1400+300=1800+300=2700-900=2000+600=900-500=1100+800=900-700=500-300=2300-900=2200-400=1300+200=1700-100=1600+800=2500+100=1200+100=1300-600=2300-500=2600-200=3000+400=1900-600=2400-300=1800+600=1300-600=1600-900=3000-400=1700-300=1300+200=1700-300=2400-400=900-600=1400-200=2200+500=1200+700=1600+200=2700-800=1400+500=2200-500=2000+900=300-200=2200+100=300-200=2200-800=2200-700=2800-600=2400+500=500-300=2000+400=2100+200=2300+200=600-400=2400-600=2900-300=1600-800=700-300=1300+400=2300-700=2800+500=2400-500=2400+300=1600+500=2400+900=2600+300=2000-200=1900-500=1100+500=1000-400=1500+900=1300-200=2500+600=2200+900=1200-700=1700+600=3000-700=2300+800=2200+700=2400+100=2600+800=2900-800=1400-400=1700+700=1800+700=1600-700=1800+400=1300+900=1300+500=1200-600=1400+900=1700-400=1100-600=1800+400=1800-700=1900+800=1600+100=1500+700=1800+300=2700+300=1100+600=1700+100=800-600=2900-900=1700-400=1900+100=2300+800=2200+700=2000-600=1600-600=1500+800=1900+100=1200+500=2200+300=2100+800=1900-300=2300+700=3000+500=1200-300=2600+900=1800+200=1100+700=1900-800=1500+200=1100-600=2500-400=2400-700=2600-700=1100+900=2500-400=1700-800=1200+800=1300-300=700-200=1800+700=2800+400=1600+700=1600+100=2100+500=1900+500=1100+700=1300+600=2500+800=2500+200=2600-600=1700-600=2600+800=1400-200=2200-600=2900-200=2300-900=2700-500=2100-200=2600+900=1300-300=2200-800=1100-300=2500-700=1300-300=3000+700=700-500=2100+200=2100+400=1800-200=3000-300=3000-600=2500-600=2100+200=1200+400=3000-300=1400+200=1900-100=1100-700=1600+400=2000+700=2600-300=1400+600=1900+200=1700-900=1300+100=2900+300=1500+800=2700-500=3000-500=1800+500=2200+700=1800+600=1700-500=2800+700=1300+700=1800-800=2900+800=2400+900=2900+900=2600-100=2000+300=1100-900=1400-900=2900-600=2800+500=1200+400=1400-200=1500-500=2100+400=1100+200=1300+300=2900+500=2400-600=1200-200=3000-900=400-200=2300+100=1700-300=1900+700=900-300=1100+200=1400-400=2500+300=1100+100=2100-400=2600+800=1800-300=900-100=1600+200=2400+500=1200-600=1300+300=1900-400=2300-500=1200-100=2300+700=1300-900=800-100=2800-200=2300+500=2300+700=2800+400=2300+700=1500+900=1400-400=1100-100=2200-700=1100+900=1500+400=2100-400=2700-500=1400+600=2200+700=2100-600=600-100=2200-200=1200-600=2300+500=2600+100=2800+800=1800-500=2800+200=2800-700=2300-300=2400+800=1800-500=1000-900=3000+400=600-100=1800-900=2500-800=2500-300=2700+100=2200+400=2300-700=1300-700=2000+800=2700-900=2900+900=1600+900=1500-600=3000+300=2000+900=2900-500=1300+200=1200-500=2200+800=2400-200=2500+500=2400+300=1600-800=2000-900=1500+500=1800+700=1100-100=2100+900=2700+200=2100-800=2500-800=2300-100=2200+800=1100-800=2800-900=1500-300=1100+800=2100-300=1400+600=2400-900=2000+800=2500-200=2500-200=2800-600=2300+500=1500-600=1800+300=1200+100=2400-200=1400+300=500-300=1600+700=1500-400=2300-600=1400+400=2700+500=2800-600=1500-100=2500+100=2200-700=1100+100=2400+300=500-100=2000-200=1700+700=1100-400=1600+400=2200-900=1100-900=1500+800=1900+400=2300+200=1700-600=2800-600=1200-800=1300+300=1500-900=2100+800=3000-900=2800+900=2800-500=1000-700=2100-900=1900-400=1800+900=3000+900=200-100=2400-600=2400+400=1200+200=1900+400=2300+500=3000-600=1500-300=1800+300=1100-800=2600+500=1000-400=1600+600=1400+500=600-100=2400-400=2900+500=1300-200=1600-700=3000+900=1100-800=1600+100=1300-300=2600+600=2500-500=700-100=1900-800=1200-400=1700-300=1200+700=1700+100=1800-500=1900+500=2600-900=1400-500=2200+800=2200-800=2300-100=700-300=2900+900=1300+900=800-500=1700-700=2000-600=2800-200=2500-900=3000+700=1600+900=1500-200=400-200=3000+700=2900+700=1300-900=1200-200=1100+400=500-200=2600+300=2100+400=2400+600=1700-500=2300-500=1900+500=3000+900=2500-200=1400-500=1300-600=2500-400=2900+100=1700-100=1600-900=1800+500=1200+700=2200-100=3000-700=1800-600=2800-700=600-200=3000-700=900-700=1100+700=2200-400=2000-300=1700+500=2600-300=1100+500=1800-600=2300-100=2000+800=2400+300=1400+500=2500+700=1000-700=1300+200=1200+600=3000-700=600-200=2900+500=2200+200=800-300=2400-100=1700-500=1600-500=2900-300=2800-800=300-200=1700-300=2000-700=900-400=2600-400=3000-200=2800-900=1200+300=2000+100=2800+200=2200+400=600-100=1800+500=2000-900=1400-700=900-800=1700+400=1100+400=2100+800=2700+700=2100+100=2900-700=2500+200=2900+900=2100+300=2800-200=3000+800=2800+600=1900+100=1500+300=2900+100=1100+800=1100+200=2700-900=3000-300=2600+400=600-100=3000-700=1600+700=1300+200=600-400=2200+600=2900+300=1900+600=1400-500=2300-100=1900-800=2200+800=2900+200=1100+100=2200-900=1300+100=2800+600=2700-700=2200+300=1000-900=1500-600=2400-200=2200-600=1700-700=2800-700=2000-700=2300+100=1900-800=2900-600=1600-200=1900+200=3000+200=2100+700=3000-800=2100-200=1400+100=2400-300=1700+900=900-700=2400-600=1200-400=1300+700=2100+700=2500-300=1500+700=2100+900=300-100=1900+900=1000-200=1500+700=1300-100=2800+900=1300+900=1100-100=1400+400=2400+100=2400+600=2700+300=1900+800=2100-900=900-400=1200+100=2300+400=2300+200=2100+300=600-500=2100+500=2900+700=1800-500=1900-500=2300-300=2000+200=2200+400=1700+100=2000-600=1700+300=1700-800=800-400=2000+200=1900+500=1400-800=1800+800=1400-200=2400+800=1100+900=2700+500=2700-200=2000+200=1500+800=2500-900=2000-900=2000+400=1600-600=2100+300=1100+200=1300+600=1500+100=800-700=1600-100=3000-100=800-600=1300-300=2600-200=1800-500=1500-200=1900+400=1100+800=2700+100=2500+300=2300-400=1100+900=1500+400=900-200=2800-700=400-100=600-200=1700+400=1800-700=2300-500=2800+100=2200+100=2400+900=2300+600=2100-600=1300+300=2600+300=1100-500=2600-800=2600+600=3000-700=2500-100=2300+100=2800-500=2400+800=2200-400=2400+600=2900+800=2200+500=2500-200=2300+700=1300-800=2800-100=2000+900=1800-400=1300-300=2700+500=1000-600=1600+500=1500-400=1700+100=2200+300=2900-400=1500+200=900-700=2200+500=1600+500=2800-900=2500+500=2000-100=2900-500=1200+600=1600+300=2300+900=2200+800=1900-200=2100+700=2400-900=2600+700=2400-400=1800+800=2100+500=600-400=2600-100=2700+600=700-200=1000-900=2500-400=1200+600=2700-200=700-600=1900+400=2000+200=2800+900=1900+500=1700-600=2200+900=2200-300=1300+900=2300+900=2700+700=2500-200=1400+500=2600+700=2500+100=1300+800=1000-300=1500+300=2400+900=1200+600=700-200=1800+500=2100-700=1500+900=800-400=2700-400=1500-200=2600-200=1600+600=3000-600=1800-300=900-200=1500+300=2900-300=2700+500=2000+700=2900+500=1100-500=2500+500=2700+500=1300-400=1100-800=2800-400=1000-500=2000-100=1600-200=2000-600=2500+900=2900-800=2000+500=2900-900=1200+400=1400-400=2700+100=1200+100=2900+700=1300-300=2500-100=1700+900=2100+500=1800+700=2000-800=2900+200=2700-800=3000+600=2000+700=300-100=2700-900=2600+700=1200-100=1500+700=2900+600=1900+300=2300-700=2600-800=1800-100=1000-600=2400-200=2000-100=800-100=2300+800=1500-400=1500+400=700-200=1800-300=2800-900=2000-600=1200-100=1000-400=2600+300=2800-200=1600+400=2100+100=2100-300=1300+100=1300-800=1800+100=1300+800=1200+400=1300+800=2400-100=1300-700=3000-900=2700-400=2200+200=2400+200=2500-600=800-300=1700+600=2300-800=1800-400=1800+700=600-300=2700+600=1400+900=1500+700=900-400=2400+500=1800+900=2300-700=1900+400=1600-500=2900-200=2800-500=1500-400=1300+300=1100+200=2500+400=2800+100=1400-400=2900+400=2400-600=1500-300=1900+500=1800-100=2700+500=1500-400=1100+200=1400-600=2100+400=2500-200=400-200=1700-800=2700-200=1500+800=1600+300=2200-900=1200-800=2000-900=1100-600=2600+700=2800+100=1700-700=2300-700=3000+500=2800-600=1300+600=2400-900=2500-600=2100-100=1300-600=2800-700=900-500=1200+100=2200+500=2800-900=2300-800=2100+200=2500-300=1800+600=1200+400=2000+500=1900+500=2100+200=400-200=2700+300=2400+200=3000+900=1300-100=1500-500=700-600=2200+900=1700-500=2000-800=700-400=2700-900=1500+300=1700+200=2100+300=700-600=1300-900=2800+300=1500-700=1600+100=1300+800=2100-900=1200+600=1200-400=2800+500=2700-900=2300+700=700-100=2700+700=2400-700=1300+300=2100-700=2000-800=1600-200=2400-600=2800-900=1400+800=1200+700=1800+800=1500-300=2200+400=700-200=3000-600=2700-500=2000+200=1600+300=1900+800=2100+100=1000-600=2300-700=1000-800=1400+500=700-500=1500+400=2800+800=2100+600=3000-800=2800+800=3000-300=2700+200=2100-100=2200+400=1900+600=1400-100=2400-800=2500-100=2400+300=2100-900=2300-700=1100+600=1400-700=2200-300=2700+100=800-700=1700-700=2900+300=1400+100=2800-400=2300+100=2400-900=2800+500=1500+400=2000+900=1200+800=1600-400=2400-700=2600+500=1800-800=2100-900=1400+600=1600+700=2900-300=1600+100=1600-500=1300+400=1900-900=1300+500=2900-100=2000-800=1500-700=2900+900=1100-800=1200-900=1500+800=1800+100=1800-900=1100-700=2600+100=2900-600=1800+100=1300+400=2600+500=1600+800=1600-500=1600+200=400-300=800-100=2000-200=1900-500=2000-800=3000+300=1800-700=1200+600=1300+300=2600-300=1700-500=1900+300=1200-900=1800+300=1100-800=1900+200=2200-400=1500-400=2000+800=2000+200=2700-400=1500+800=1500+500=2800+900=2400+500=1900+600=1100+800=1500-500=3000-700=1500-400=2400-500=1700+100=1200-700=2500+800=2300+300=1100+400=900-100=2500-900=2300-300=2400+700=600-500=200-100=2100+300=700-400=2000+900=400-300=1500+300=1900-700=2800+200=1900-400=2100+300=3000-800=3000+900=1000-800=2300-700=1300+300=3000-800=1500-900=2200+300=1900-500=300-100=2100-700=1900+600=1800-100=1600+600=2500+400=1100+700=1400+900=1300+700=2800+600=2900-700=2300+300=1300-200=2800-200=2800+700=1300-800=500-200=1900-400=2200-500=1900-800=1300+100=1600+700=1500-100=1600-600=2500-400=3000+200=1100+800=1100-400=1300+400=1000-500=1200-600=1600+200=1800-200=1200-600=2600-500=2000-200=800-200=2800-600=2500+500=2800-300=2500-200=1500-300=1900+400=2700-400=1500-200=3000+800=1500+300=2400+200=1400+100=3000+600=2800-700=1500-200=1500+700=900-800=1500+300=2800-700=3000-600=2300+600=1000-700=2700+700=1300-600=1600+300=1100+500=2900+600=1400-200=1800-700=2800+800=2000-600=1800+700=700-600=1100+500=1300-800=2400+600=1300-600=1200-300=2800-700=1300+100=1100-900=2500+900=2800+900=1500-700=2700-700=1800+900=3000-800=1200-700=2300-100=1300-500=1300-800=2400-900=1400+900=1200+700=2100-500=800-200=2500+500=2800+900=400-200=800-600=2700+400=1800+300=1700+500=1800-200=1500+600=1400+700=2900+500=2300+400=1100+900=1900-900=1800-900=2500+300=1100+500=3000+600=1900+500=1600+400=1800+700=800-600=1600-200=2200-200=2200+300=1500+300=3000-200=1400-400=3000+200=1300-800=1500-700=1900-600=1900-300=1200-800=1900+700=1600-800=2100+900=800-700=2800-800=1600+300=2000-500=1200-200=1300+600=2800-800=800-600=2400-400=2600+500=2700-500=1900+100=1200-200=800-600=1100-400=1100+400=800-100=1300+900=3000+900=2200+600=1500+100=3000+300=1900+400=2000-600=2400-300=2000+700=1900-300=1300+300=1100+200=1600+600=2800-200=3000+300=2900+900=1100-900=2600-500=2500+600=1700+400=2200+100=1600-400=1300-500=1700+800=1100-500=3000+200=700-400=1700+800=2600+600=1100+300=2600-600=1100+700=900-700=2500-100=1100+700=2600-900=2300-900=2000+100=1500+900=1400-700=2600-900=1600+100=1200+200=500800150019002600160022002006005003700220016003300500250025001800260020005001500200320030002200150010016003300900250016002002600100028002100290036002200600220023001600200016002200900200320013002300300010021002300290014001900360090026002400170020029002200140027001200360024001900330027002400270027003300300013002200230080012003002200360023001800230021001500150012005003400230020025001600300012003300360013001100180028003600240030001500110015002900300170037002300500100280029001900700110024005001500100500240017002500500180026002700140029003100100013003000150018005003800300230025002800300037003300150070020019001900400330030034001100200210020030002300260050019002800240021002001600160010008002400200022004002200100500100018004001200900210015001900270021003100250024002500400130070015001001200500320019001000210040011003001000180033001600700200030001100340028002400160080014001300150018003100600160025002500200026001100100015002001200280036001800150012002100320017002001600150023002600220035003700210016002600300031003400280025002600250025001900200024002400120027001600180018002700370010015001900130027001300220060029002000200011008001800310080025002400190018001200400100130020025004002001600290018001600150026003000200060026001600800210030014003500310020010001800140033003000240019005003200260031001600220014002900360026001200310012002300230035004008002200260019001600330013001500380018008001900180021002500130030080012003000800340012001500600200250023005002100110014003400160090016001800300330032001700110017002100180026004001900200200140018001500160024002600130070018002400340013002100240070070026001400150014002000300120027001900180019001900170029001002300100140015002200290020024002300250020018002600800400170016003300190027002100330029001800140016006002400110031003100500230023003100290025003400210010002400250090022002200180060023001300500220011002700170022002100300017001800200200013002000310029001400100023002000170025002900160030003500900350020001800110017005002100170019002000210090020001000500250032002300170026002400180019003300270020001100340012001600270014002200190035001000140080018001000370020023002500160027002400190023001600270016001800400200027002300200021008001400320023002200250023002900240012003500200010003700330038002500230020050023003300160012001000250013001600340018001000210020024001400260060013001000280012001700340015008001800290060016001500180011003000400700260028003000320030002400100010001500200019001700220020002900150050020006002800270036001300300021002000320013001003400500900170022002800260016006002800180038002500900330029002400150070030002200300027008001100200025001000300029001300170022003000300190012001900180020001500280023002300220028009002100130022001700200230011001700180032002200140026001500120027004001800240070020001300200230023002500110022004001600600290021003700230030012001500270039001001800280014002300280024001200210030031006002200190050020003400110090039003001700100032002000600110080014001900180013002400170090030001400220040038002200300100014002600160037002500130020037003600400100015003002900250030001200180024003900230090070021003000160070023001900210023001200210040023002001800180017002200230016001200220028002700190032003001500180023004003400240050023001200110026002000100140013005002200280019001500210030002600500230011007001002100150029003400220022002700380024002600380034002000180030001900130018002700300050023002300150020028003200250090022001100300031001200130014003400200025001009002200160010002100130024001100230014002100320028002200190015002100260020018008002000280022002200300020028008002200120037002200100018002500300030002700120050013002700250024001002600360013001400200022002600180014002000900400220024006002600120032002000320025002200230016001100240010002400130019001600100150029002001000240013001300230019002800280019002000190070021003004002100110018002900230033002900150016002900600180032002300240024002300320018003000370027002300300050027002900140010003200400210011001800250025001700200270021001900300019002400180019003200300017002800150033002000260026002002500330050010021001800250010023002200370024001100310019002200320034002300190033002600210070018003300180050023001400240040023001300240022002400150070018002600320027003400600300032009003002400500190014001400340021002500200016001000280013003600100024002600260025001200310019003600270020018003300110022003500220016001800170040022001900700310011001900500150019001400110060029002600200022001800140050019002100160021002300600210023002400260019005002300150014002500300330023002200500290027001600230011002700230011001600130029002900100033001800120024001700320011001300800250023002009002500230019001300400110050033002900100016003500220019001500190020007002100400130027001900150023002200240016002500240023002003000260039001200100010031001200120030018001800190024001004003100800170021001200180080033001800300060034001700160014001200140018001900220019002600120026005002400220022001900270022004001600200190020019003600270022003600270029002000260025001300160024002700120016001700700190028001001000320015002400240015003300190029002000120017003100100012002000230026001700110017001000180028001200800380030030023001900900400270023001900170031002400110018001007001800140012003300110018001600230012002200300210030021001800110028002200230023002000370029002500190010002300110019001800500330026001500800160020003100100100240030029001001800120030001500240022003900200160016002200600250014002001400250017002200290018002300200034002200260011002600350050030015001700110014002300140010002100320019007001700500600180016006002100180060022003000250023001200230023001300380018002600150036002100130022001001800210024002900300340070019001600350012001100360014002500100160050030007009002100140020034003700800200027002200500220080050015002300190016006003000370020020031002100220016002100210034002700200010009002800160036002400200025002001400200025001800280010003200500800130016004002600800300010020001900150010001900200020020003100220020001000200700150070022003900280016003300230014002100270016001600130022002600330038002002100310021002300120080025006003200300250032001400200018002002400180017001400210024007001700170014001300-800=1500-700=1300+200=2100-200=1800+800=1800-200=1500+700=400-200=700-100=1400-900=2900+800=2600-400=2400-800=2500+800=1400-900=1900+600=3000-500=1300+500=2000+600=1200+800=1000-500=2200-700=800-600=2500+700=2100+900=1400+800=1700-200=900-800=2400-800=2700+600=1800-900=2800-300=2500-900=300-100=2500+100=1500-500=2700+100=1200+900=2500+400=3000+600=2000+200=900-300=2100+100=2900-600=2300-700=1100+900=1900-300=2300-100=1700-800=600-400=2700+500=1500-200=2800-500=2200+800=800-700=2300-200=1800+500=2500+400=2300-900=1400+500=2900+700=1500-600=2000+600=2100+300=2600-900=600-400=2800+100=3000-800=1500-100=2500+200=1400-200=2900+700=2200+200=1400+500=2900+400=2600+100=3000-600=1900+800=1900+800=2400+900=2600+400=1800-500=2900-700=1800+500=900-100=2000-800=1000-700=1500+700=2800+800=1400+900=2400-600=2100+200=2600-500=1300+200=2000-500=2100-900=1400-900=2800+600=1400+900=700-500=1900+600=1200+400=2300+700=1300-100=2400+900=2800+800=2100-800=1700-600=1600+200=2200+600=2700+900=2700-300=2500+500=1800-300=1500-400=1100+400=2500+400=700-400=1900-200=3000+700=1700+600=1400-900=800-700=2100+700=2500+400=1600+300=1100-400=1600-500=1900+500=1300-800=1400+100=800-700=1000-500=2900-500=2400-700=2300+200=900-400=2100-300=2300+300=2100+600=1600-200=2300+600=2800+300=1600-600=2000-700=2700+300=2100-600=2600-800=1400-900=3000+800=900-600=2200+100=2200+300=2500+300=2400+600=2900+800=3000+300=2100-600=1400-700=500-300=1400+500=2700-800=1200-800=2400+900=900-600=2900+500=1700-600=600-400=2300-200=800-600=2100+900=1600+700=3000-400=1000-500=2300-400=2100+700=2000+400=2000+100=300-100=1100+500=2300-700=1100-100=1400-600=2300+100=1700+300=2500-300=600-200=1500+700=1000-900=1100-600=1800-800=1300+500=600-200=1900-700=1000-100=2400-300=1400+100=2100-200=2500+200=2900-800=2800+300=2000+500=2200+200=2600-100=1300-900=1700-400=1200-500=1400+100=900-800=2000-800=1100-600=2600+600=2400-500=1900-900=2700-600=1300-900=2000-900=1000-700=1800-800=2700-900=2700+600=1400+200=1100-400=1600+400=2300+700=1600-500=2600+800=1900+900=2800-400=1800-200=1300-500=1500-100=1900-600=1300+200=1200+600=2700+400=1500-900=1100+500=1600+900=2400+100=1400+600=2300+300=1700-600=1300-300=1200+300=400-200=1400-200=2700+100=3000+600=2700-900=1200+300=1500-300=2300-200=2600+600=2400-700=600-400=1500+100=2200-700=3000-700=2200+400=2100+100=2900+600=3000+700=1600+500=2000-400=2800-200=2600+400=2400+700=2600+800=2400+400=1800+700=3000-400=1900+600=1600+900=2000-100=2700-700=2600-200=1800+600=1800-600=2400+300=1300+300=1600+200=2600-800=1900+800=2900+800=900-800=2300-800=1500+400=1500-200=2600+100=2000-700=1600+600=1400-800=2200+700=1500+500=1600+400=1900-800=1300-500=1600+200=3000+100=900-100=2300+200=2200+200=1200+700=2500-700=1600-400=700-300=900-800=1100+200=500-300=1900+600=1200-800=600-400=2200-600=2200+700=1100+700=1400+200=1300+200=3000-400=2300+700=1900+100=1100-500=2300+300=1200+400=1000-200=1200+900=800-500=1700-300=3000+500=2900+200=1000-800=1500-500=1300+500=2300-900=2600+700=2600+400=2600-200=1800+100=1000-500=2300+900=1900+700=2400+700=1500+100=1800+400=1300+100=2100+800=3000+600=2000+600=1600-400=2600+500=1900-700=1800+500=2000+300=2800+700=1200-800=1300-500=1500+700=2200+400=2200-300=1100+500=2800+500=1400-100=1400+100=2900+900=1500+300=1700-900=1300+600=1700+100=2400-300=1900+600=2200-900=400-100=1200-400=2000-800=2700+300=900-100=2700+700=1300-100=1600-100=700-100=900-700=2100+400=2700-400=700-200=1200+900=1600-500=1300+100=2500+900=2200-600=1700-800=2200-600=1700+100=1100-800=2600+700=2300+900=1300+400=1300-200=1400+300=1800+300=2700-900=2000+600=900-500=1100+800=900-700=500-300=2300-900=2200-400=1300+200=1700-100=1600+800=2500+100=1200+100=1300-600=2300-500=2600-200=3000+400=1900-600=2400-300=1800+600=1300-600=1600-900=3000-400=1700-300=1300+200=1700-300=2400-400=900-600=1400-200=2200+500=1200+700=1600+200=2700-800=1400+500=2200-500=2000+900=300-200=2200+100=300-200=2200-800=2200-700=2800-600=2400+500=500-300=2000+400=2100+200=2300+200=600-400=2400-600=2900-300=1600-800=700-300=1300+400=2300-700=2800+500=2400-500=2400+300=1600+500=2400+900=2600+300=2000-200=1900-500=1100+500=1000-400=1500+900=1300-200=2500+600=2200+900=1200-700=1700+600=3000-700=2300+800=2200+700=2400+100=2600+800=2900-800=1400-400=1700+700=1800+700=1600-700=1800+400=1300+900=1300+500=1200-600=1400+900=1700-400=1100-600=1800+400=1800-700=1900+800=1600+100=1500+700=1800+300=2700+300=1100+600=1700+100=800-600=2900-900=1700-400=1900+100=2300+800=2200+700=2000-600=1600-600=1500+800=1900+100=1200+500=2200+300=2100+800=1900-300=2300+700=3000+500=1200-300=2600+900=1800+200=1100+700=1900-800=1500+200=1100-600=2500-400=2400-700=2600-700=1100+900=2500-400=1700-800=1200+800=1300-300=700-200=1800+700=2800+400=1600+700=1600+100=2100+500=1900+500=1100+700=1300+600=2500+800=2500+200=2600-600=1700-600=2600+800=1400-200=2200-600=2900-200=2300-900=2700-500=2100-200=2600+900=1300-300=2200-800=1100-300=2500-700=1300-300=3000+700=700-500=2100+200=2100+400=1800-200=3000-300=3000-600=2500-600=2100+200=1200+400=3000-300=1400+200=1900-100=1100-700=1600+400=2000+700=2600-300=1400+600=1900+200=1700-900=1300+100=2900+300=1500+800=2700-500=3000-500=1800+500=2200+700=1800+600=1700-500=2800+700=1300+700=1800-800=2900+800=2400+900=2900+900=2600-100=2000+300=1100-900=1400-900=2900-600=2800+500=1200+400=1400-200=1500-500=2100+400=1100+200=1300+300=2900+500=2400-600=1200-200=3000-900=400-200=2300+100=1700-300=1900+700=900-300=1100+200=1400-400=2500+300=1100+100=2100-400=2600+800=1800-300=900-100=1600+200=2400+500=1200-600=1300+300=1900-400=2300-500=1200-100=2300+700=1300-900=800-100=2800-200=2300+500=2300+700=2800+400=2300+700=1500+900=1400-400=1100-100=2200-700=1100+900=1500+400=2100-400=2700-500=1400+600=2200+700=2100-600=600-100=2200-200=1200-600=2300+500=2600+100=2800+800=1800-500=2800+200=2800-700=2300-300=2400+800=1800-500=1000-900=3000+400=600-100=1800-900=2500-800=2500-300=2700+100=2200+400=2300-700=1300-700=2000+800=2700-900=2900+900=1600+900=1500-600=3000+300=2000+900=2900-500=1300+200=1200-500=2200+800=2400-200=2500+500=2400+300=1600-800=2000-900=1500+500=1800+700=1100-100=2100+900=2700+200=2100-800=2500-800=2300-100=2200+800=1100-800=2800-900=1500-300=1100+800=2100-300=1400+600=2400-900=2000+800=2500-200=2500-200=2800-600=2300+500=1500-600=1800+300=1200+100=2400-200=1400+300=500-300=1600+700=1500-400=2300-600=1400+400=2700+500=2800-600=1500-100=2500+100=2200-700=1100+100=2400+300=500-100=2000-200=1700+700=1100-400=1600+400=2200-900=1100-900=1500+800=1900+400=2300+200=1700-600=2800-600=1200-800=1300+300=1500-900