一年級20以內(nèi)加減法練習(xí)題(大班升一年級)

1、一年級20以內(nèi)加減法練習(xí)題（大班升一年級）17-16=13+4=20-1=1+2=20-3=2+7=19-6=15-12=9+1=14-1=5+2=13+7=19-4=3+5=17+3=3+8=8+4=17+3=17+3=4+12=14+3=1+14=1+5=3+14=13-3=10+2=9-8=12-8=2+5=19-18=14+3=17-3=9-4=6+13=13+5=3+7=12+3=5+6=17-1=5+2=7+7=6+7=12-11=20-13=13+6=15-5=20-1=5+8=18-12=7+1=20-6=8+6=3+13=1+19=17-16=7+13=10-2=11+6=1

2、+8=14+2=9+5=2+10=1+12=8+12=11-10=3+3=3+17=8+4=8+2=2-1=1+4=9+9=8+7=20-18=19-5=5+6=20-3=17-10=1+16=9+1=9+10=10-2=18-17=6+14=18-8=9+6=8-6=7-5=13+2=19-12=11+9=17-12=16-4=13-1=16-8=2+12=2+8=15-8=19-16=19-4=14+3=3+4=19-17=5-1=15+5=20-1=19-10=7-1=6-3=6+13=11-3=11+7=10+4=20-15=17-7=7-6=19-16=14+3=5+8=20-19=

3、5+13=1+8=9+7=13-2=9-1=17-9=6-1=18-4=14-13=10-1=15-2=12-2=3+5=9+5=13-1=18-13=12+8=11+7=6+7=15-5=16-5=12-1=4+5=13+4=5-2=7-2=5+3=4+12=15+5=12+1=3+7=14-6=7+8=3+6=16-6=19-16=20-9=11-9=13-7=4+11=1+18=19-18=7+13=1+7=13+2=17-8=17-7=2+5=3-2=7+10=16-10=5+6=11-10=18-16=14-2=18-2=11+7=7+12=9-1=10-8=20-15=10-9=2

4、0-8=20-11=20-5=20-18=14+2=14-10=6+11=12+7=12-10=14+5=18-4=9+8=6+3=16-4=18-12=1+17=14+2=4+4=10-2=14-6=12-6=12+6=11-3=15+2=5+13=9+6=2+1=16-14=1+8=4+12=3+13=14-3=18-5=7+6=12+1=12-1=19-15=18-1=13-11=16+1=9-2=16-7=16-15=18-14=18-5=16+4=20-16=17-5=20-19=10-5=11-4=1+8=16-11=17-5=6+2=6+10=14-9=18-11=2+13=6+

5、8=13-12=13-3=8+5=19-4=19-18=7-4=6+13=17-3=1+17=20-6=7-2=5-2=7+3=14-2=15+4=14-8=17-6=11-2=20-15=6+2=11-8=9-4=16-6=14+1 =2+5=2+17=2+10=8+12=14+3=8-2=17+1=20-5=18-13=11-9=18-15=15-9=1+8=19-14=10+5=19-12=20-13=12-9=18-6=14-8=7+8=18-14=11-8=8-7=17+3=1+3=7-4=2+5=5-2=14-3=8+9=13-1=9+3=7+12=17-3=20-19=5-1=2

6、0-15=19-18=12+2=15-5=12-3=6+4=7+5=19-8=18-11=19-13=8+9=10-4=2+3=3+1=4+10=7+6=8+9=3+15=12-3=1+18=19-12=15-1=11+2=7+4=15-5=9-3=19-9=17+2=6+12=10+1=9+7=11-5=15-1=1+5=14+5=2+11=4+4=6-1=4+15=2+10=17-3=15+2=6-5=7+10=18+2=5+4=4+7=2+14=6+1=13-4=10-9=19-11=14+6=2+18=16-8=10-8=1+12=8+4=13+3=4-1=1+9=14-5=8+1=4

7、+4=7+2=16-2=3+11=14-13=16+4=9-11=6+4=10+9=1+17=12+6=18-5=17-11 =6-5=3+16=3+10=10-1=1+6=17-14=14+1=20-1=10-2=18-7=7+10=9-7=19-10=20-4=6+6=15-10=8+11=14-3=4+9=19-1=16+2=18-7=20-13=14-1 =3+4=14-5=2+14=16-2=17-2=6+8=7+8=6+3=8-1=20-13=4-2=20-16=6+5=17-13=5+12=5+2=14+1=5+6=11-6=9-2=4+11=5+8=10+9=5+2=18-17

8、=13-1=3+11=4+14=13-2=13-6=13-5=2+4=8+7=11+2=5+3=4+4=15-10=10-9=6-2=5+10=15-4=14-2=5+8=9+6=2+18=4-3=8-2=5+2=14-11=14+2=4+12=4+12=1+2=5+9=1+19=20-7=20-1=9-8=5+10=19-15=7+1=19-14=14-5=6+14=4+16=10-2=7-1=10-3=19-18=6-3=7+5=14+6=7+4=5+10=17-15=4+15=14-4=14-10=16-13=15-2=1+17=13-1=20-11=4+5=3+15=5+2=9-2=9

9、-1=16-14=10-5=12+8=2+1=1+8=14-7=9+11=3+4=19-4=20-14=14+6=13+4=12-7=10+7=14+5=9+5=12+4=5+9=14-6=15+2=9+4=7+9=20-4=14-3=4+6=20-5=12-9=6+2=17+3=19-6=2+14=20-8=4+10=7+2=9-5=20-14=17-3=5+6=1+2=4+12=3+1=9+7=12-5=3+11=1+8=4+12=6-3=14-13=9+6=17-3=10+3=19-11=19-1=10-7=20-4=10+2=7+12=15-11=16-12=8+3=18-16=3+1

10、5=19-15=9+7=11-10=13-2=15-11=17+1=14-8=1+18=9+2=1+14=17-7=18-17=2-1=5+12=14-6=17-12=5+9=12+4=7+1=10-5=6+12=18-15=9+3=11-9=7+12=12+5=9+2=4+14=20-8=5+10=14-11=16-7=7+1=2+6=11-9=13-2=14-6=14+3=19-8=18-8=3+8=14-1 =16+2=17+2=20-17=7+13=7-6=15-9=10+10=18-15=6-2=3+14=18-11=2+3=15-13=19-16=13-8=5+9=19-10=11

11、-2=3-2=6-1=10-8=16-14=11-10=5+1=15-3=20-10=17-5=6+13=2+7=14-3=5+5=3+11=3+13=17-11 =17-1=18-6=19-2=15+3=15-6=14-8=14-9=9+8=18+2=1+7=16-7=9+7=3+11=3+10=12+8=11+1=20-7=1+6=15+3=10-6=11+4=7+8=14+2=10+9=2+14=15-6=12-7=1+17 =3+17=10+5= 6+3=14-7=18-17=4+11=5-1=16-13=13+4=19-11=1+10=6+8=13+3=4+1=9+8=17-7=20

12、-4=2+5=2+13=18-3=20-19=2+17=5+4=1+6=16-4=9+11=5-2=17-15=12+1 =6+7=14-8=13-11=12-8=10-4=5+4=11+8=15-1=7+10=15-3=16-1=11-1=11+4=16-5=7+1=13-9=12+5=7+10=9-3=7+10=3+4=20-18=3+7=18-10=14-10=20-1=18-2=1+7=2+13=13+2=6+3=1+17=1+14=19-1=6+9=6-2=12-2=1+13=6-5=19-16=2+15=2+10=8+8=9+5=5+2=10+9=17-7=9+11=15-2=15

13、-5=16-15=8-1=6+13=12+7=3+14=3+5=9+6=19-6=2+18=20-14=3+11=15-9=10+8=4+5=4+12=16-11=14-13=14+2=17-5=14-9=8+12=18-1=13+1 =19-12=13-10=8-1=11+1 =19-4=16-4=12+4=3+5=15+1=16-4=3+2=12-10=17-1=18-10=15-8=1+2=1+15=3+3=7+9=8-3=10+10=13-9=14+5=20-17=10-2=11-4=2+17=6+10=13+7=6+5=13-8=15+3=11-6=16-2=17-11=7+12=6

14、+13=14-11=8+3=4+3=10+9=3+1=1 1-7=2+18=4+16=20-7=4-2=11-4=4+1=15-13=11-9=14-6=8+9=10-7=17-3=19-11=5+6=10+10=10+9=2+13=5+3=3+12=5+13=15+3=10-4=11+4=9+6=9+9=7+7=17-4=4+11=6-1=10+5=9+6=3+9=8-1 =8+5=7+10=16-11=3+11=3+5=4+3=9-2=8+11=16-12=1+11=2+12=19-5=20-5=20-8=4-3=7+2=2+6=11+5=6+8=7-3=9+4=1+19=12-10=1+

15、6=20-10=16-9=17-13=14-13=9+3=12+7=13+4=16-11=6+8=20-9=18-2=3+8=15-2=10+6=5+12=17+3=20-5=13-6=8+9=11-7=6+9=17-9=13-7=14-5 =15-6=12-9=12+8=11-9=4+8=16-4=存9=16-7=2+ 17=12-8=17-8=18-5=17-13=15-7=10-4 =14+6 =16-9=15+5=16-8=14-7 =12+8 =8+6=14-10 =8+8=14-9=7+5=14-4=11+9 =11-6=17+3 =15-8=16+3=5+8=13-718-9 =

16、12-9 =8+7=16-5 =7+9 =15-711-4 =12-8=17-7 =11-5 =9+ 5 =17-39+9 =16-2 =7+6 =4+ 9 =14-313-514-711-2 =13-4 =9-58+ 5 =7+ 3 =12-2=11-1 =16-0=17-10=18-8=19-10=20-12=10+2=18-6=10+3=17 / 1610+6=17-4=17-5=10+7=15+4=10+8=15-4=15-3=10+9=14-2=16-12=13+6=13-4=18-8=17-11=11-2=19-8=11+9=16-5=16-7=15-12=15-8=11-5=11

17、+6=19-3=11+7=11+9=18-12=18-7=18-4=11+9=17-3=12+4=12+6=12-7=12+8=13+5=11-10=13+2=17+3=18+1=13+7=13-6=14+2=14+5=19-5=14+5=14-6=19-6=19-9=7+9=8+8=5+8=14-9=17-6=4+7=9+4=6+8=9+7=17-8=9+8=4+6=5+3=6+9=17-5=13-7=6+7=9+6=12-8=6+5=14-6=5+7=4+7=7+9=15-8=16-9=8+4=9+8=8+5=9+11=16-7=13-7=7+4=8+3=17-6=19-8=8+5=9+5

18、=8+6=7+12=8+10=13+7=3+9=11-8=15-8=13+6=13-6=6+8=9+5=13-8=4+6=9+9=8+7=14-5=6+12=12-9=19-8=17-11=16-11=14+6=6+14=9+2=15-14=5+14=4+9=17-9=13-6=14-5 =15-6=18-( ) =912-9=12+8=11-9=4+8=5+( ) =1416-4=7+ 9=16-7=2+ 17=11- ( ) =512-8=17-8=18-16=17-8=17-( ) =1015-7=10-4 =14+6 =16-9=14+ ( ) =1815+5=16-8=14-7 =1

19、2+8 =()+8=128+6=14-10 =8+8=14-9=-12=37+5=14-4=11+9 =11-6=()-8=817+1 =15-8=16+3=5+8=()+5=188 4=7 5=6 6=5 6=15 6=16 9=17 8=18 9=7+ 5=8+ 6=5+ 9=13- 8=10+2=13+2=8+2 + 3 =17-7=19- 3=9+1+4 =10-10 =14-10 + 5 =11 6=6+ 5=14 6=11 2=7+ 5=13 8=8+ 5=16 9=9+ 3=17 8=5+ 9=16-3=6+14=19-7=18-8=17-16=15-8=17-13=13+4=1

20、8-10=14-5=13-8=4+10=12-4=4+15=11-4=9+ 11 =13 5=5+ 7=11 5=14 10=8+ 6=15 6=8+ 9=15 8=7+ 7=18 9=13- 8=16-4=5+15=19-8=18-9=17-9=15-9=17-9=13-5=18-14=14+6=13-9=4+15=12-5=4+16=11-5=7+9=9+2=15-9= 9+4=12-9= 11-3=4+8=14-6= 7+7=11-5= 4+7= 14-8= 9 9= 17-10= 9+11 = 20-10= 18-5= 17-5=15-5= 18-10= 3+17=19-13= 3+1

21、6=13-5= 4+7= 13-10= 4+12=11+9= 11 7=14-8= 9 9=10 + 8 = 8+ 10 =14- 8=7 8=16 8=12-4=5+ 7=12-5=9+ 9=12-6=6+ 6=15-6=7+ 5=16-1 = 6+12=19-10=18-6=17-6=15-6=17-11 =2+18= 18-12=3+17=13-6=4+8=12-9=4+13=11-2=6+ 6=12 7= 7+ 7=15 7=13 4= 2+ 9=11 5= 9+ 6=14 9= 8+ 8=16 9= 8+ 6= 16-2= 7+13= 19-12= 18-7= 17-7=15-7=1

22、7-8= 3+13= 18-9= 4+14=13-7= 4+9=12-3= 4+14= 11-3= 8+ 8=18-8 = 18-10 = 10 + 1 =1 + 10 = 11 -1 =11 -10 = 6+ 10 =16-6 = 16-10 =10 + 3 = 3+ 10 =13-3 =13-10 = 10 + 5 =9+1 = 8+2 =8+3 =2+9 = 19+9 =9+3 = 8+4 =5+9 = 8+6 =4+9 = 5+9 =6+9 = 7+9 =8+9= 9+0 =5+8 = 8+9 =10+8=3+11=7+3 + 5=19-9-10=3 + 10=16-4=7 + 4 +

23、 6=12+2+1 =10+2 =19-4 =7+8+3=20-10-10=10+ 10 =14 4 =18-8 =6+10 =19-5 =15-3 =10+4 =13- 3 =6+4+7=8+2+5=5 + 4 + 6 = 7+2+3=10-2-4=5+5+5=20-10-7 =10+0 =10+9 =8+ 10 =14-1=3+4+10=10+8 =10 + 2=11 -1-5 =10-5 =13- 3 =13-3 =二17-7-3=11-15+10 =3+ 15=19- 9 + 1 =16-10 + 3 =16- 10 =18-8=15-5-7=8-8 =11 -10=5+5=13-3-

24、4 =10+9 =1310=4+6 =18-10-4 =3+ 10 =8+7 =8+ 4 =9+ 7 =9+7 =7+9 =8+ 5 =6+ 6 =6 + 5 =7+5 =9+ 6 =4+ 9 =2 + 8 =8+ 6 =6+ 8 =6+ 5 =升7 =8 + 8 =7+ 9 =5+ 8 =8+ 8 =升4 =8+ 10 =5+ 7 =4+ 8 =8+5 =7+ 4 =拼7 =8+ 6 =7+7 =5+ 7 =4+ 8 =7+ 6 =9+2 =8+ 6 =升9 =6+ 5 =升8 =7+ 10=5+ 9=1+ 9=升8 =2+ 8 =升8 =升3 =9+2 =6+ 4 =6+ 7 =10+9計(jì)

25、3 =7+ 2 =5+ 6 =2+ 10 =6+ 7 =9+ 8 =計(jì)9 =8+5拼4 =6+ 3 =6+ 8 =10+7=&P 7 =10+ 4 =5+ 10 =1+9 =6+8 =13- 3 =2+ 9 =10- 5 =9+9 =升4 =9+5 =升3 =3+8 =9+3 =計(jì)2 =6+ 7 =升4 =5+9 =3+8 =9+5 =9+3 =拼3 =5- 4 =13-9=15-7=15-6=13-8=11-3=4+6 =6+7 =5+9 =7+7 =4+ 4 + 6 =9+4=8+4=9 4=9 7=4+3+2 =7 + 4 =6+ 5 =8+ 6 =升8 =4+6 + 5 =8+

26、4 =6+6 =6+ 8 =9+6 =升 2 + 4 =10-2 =7+7=8+5=計(jì)3 =2+6+5 =2+9 =9+7 =5+8 =7+4 =7+1+7 =7+5 =8+8 =8 4=9 9=6+ 3 + 4 =18-2 =9+2 =4+8 =8+4 =6+1+5 =10 + 5 =5+7 =9+4=7+6 =5+2+4 =9 6=9+5 =7+ 6 =9+ 4 =3+5+9 =8+9 =9+8 =7+ 6 =升5 =6+2 + 7 =10 + 8 =9+6 =6+9 =8+5 =4+5 + 2 =5+5 =升8 =9+5 =9+5 =3+5+7 =4+6 =6+7 =5+9 =升7 =4

27、+ 4 + 6 =9 4=8+4=9 4=9 7=4+3+2 =7 + 4 =6+ 5 =8+ 6 =升8 =4+6 + 5 =8+4 =6+6 =6+ 8 =9+6 =升 2 + 4 =10-2 =7+7=8+5=計(jì)3 =2+6+5 =2+9 =9+7 =5+8 =7+4 =7+1+7 =7+5 =8+8 =8 4=9+9=6+ 3 + 4 =18-2 =9+2 =4+8 =8+4 =6+1+5 =10 + 5 =5+7 =9 4 =7+6 =5+2 + 4 =9 6=9+5 =7+ 6 =9+ 4 =3+5+9 =8+4 =7+9 =6+ 7 =6+ 8 =6+4+1 =9+4 =8+ 1

28、0 =7+5 =7+9 =3+6+5 =8+7 =6+ 10 =5+7 =9+8 =7+2+6 =9+2 =8+ 6 =4+7 =9+3 =4+4+9 =7+5 =19- 7 =7+4 =8+4 =7+9 =升3 =9+3 =8+3 =8+5 =2+8 =6+ 6 =6+6 =9+ 1 + 9 =8+ 2 + 2 =7+ 3+1 =5+ 10=18 10=20-20=17-10=12+ 4 =7+3+2=8+2+6=7+3+4= 9+1+8= 8+2+5=5 + 4 + 9 = 5+2+2= 3+6+ 4 = 5+2+7= 7-3+6=4+4-2 = 6+2 + 7 = 6+3 + 7 = 5

29、+4 + 7 = 4+5 + 8 =1+0 + 7 = 9 6 1 = 5+ 4 + 6 = 5+1+7 = 2+3 + 9 =2+6 + 5 =7+2-5 =9- 2 + 7 =8- 2 + 8 =9- 4 + 7 =10- 2 + 7 =11- 4 + 7 =6+2 + 9 =12- 2 + 3 =13- 4 + 6 =2+3 + 4 =6+3+8 =3+3 + 2 =2+2+4 =4+8+7 =10+2 + 7 =12+6-5 =7- 7 + 5 =8+2 + 7 =8- 3+7 =7-2+7=4+2-3= 6+3+ 4 = 4+2+5=7+2+7=7+2 + 6 =9+1+5 =7+3

30、 + 2 =10+8 4 =7- 2 + 9 =18-10=17-11=17-8=4+3 + 5 =6+2-3 =3+9 + 6 =10- 5 + 4 =3+ 4 + 6 =17-13=5+2 + 3 =6+2 + 2 =3+3+1 =2+3+5 =3- 0+7 =17-9=13-7=14-5 =15-6=12-9=12+8=11-9=4+8=16-4=7 9=16-7=2 17=12-8=17-8=18-5=17-13=15-7=10-4 =14+6 =16-9=15+5=16-8=14-7 =12+8 =8+6=14-10 =8+8=14-9=7+5=14-4=11+9 =11-6=17+

31、3 =15-8=16+3=5+8=13-7 =18-9 =12-9 =87=16-5 =7+9 =15-7=11-4 =12-8=17-7 =8+2+4=8- 2 + 6=3+6 + 9 =4+5+8 =3+17=2+18=3+13=13+4=13-5=19-13=18-12=18-9=18-10=18-14=3+16=3+17=4+14=14-5=14+6=13-5=13-6=13-7=13-8=13-9=4+7=4+8=4+9=4+10=4+15=13-10=12-9=12-3=12-4=12-5=4+12=4+13=4+14=4+15=4+16=11+9=11-2=11-3=11-4=1

32、1-5=8+1+2=1+8+5=6+3+9=6+2+7 =8+2+7 =6- 3+9 =9- 6 + 4 = 4+5 + 8 = 7+5-7 =5- 5+5 =7- 3 + 4 = 6+ 2-6 =10-1+2=5+1 + 7 =15-9+4=13-5-3 =10 4 一 0 =8+ 7-9 =8- 7+6 = 12-6-5 =10-7 =12-11 =14-6 =15-911-312 + 5 =13-6=計(jì)6 =7 + 4 =5+ 6 =15-6 =14-4=10-10=13-5 =7 + 6 =9+3 =10-0 =計(jì)9 =9-57+7 =8-2 =12+5 =7-6升0 =12-8 =1

33、5+5=15+4=15-3=15-8=16+3=12+7=16-12=17-7=16-14=16+4=16+4=17+2=17-12=18+2=19+1=20+0=3+14=19-10=19-12=11-4=19-14=19-8=13+7=14-9=15-8=14-11=18-7=10+4=18-5=12-5=9+6=18-12=7+ 6=6+ 8=5+ 8=16 9=11-8=13- 7=15- 6=12-5=13-9=13-8=14-11 =12-6=14-5=9+3=9+ 8=7+ 8=6+ 7=4+ 9=18-7-8=10+5-7=17-8+6=12+5-9=17-6-2=6+9+4=

34、5+8+7=7+6-8=6+6+7=9+5+4=11-9+14= 14-9+13=13+6=12-8+16= 15-8+9= 9+5=16-7-4=17-9-2=10+10=13-6+12=15-8-6=12-3+8=6+10=11-4+13=18-15=14-6=7+12=6+5=16-11=9+6=18-6=14+6=8+11=7+13=15-7=6+12=14-8=5+9=19-14=7+11=16-8=14-11=17-9=12-7=18-9=5+4-7=2+9-8=6+7-5=7+12-6=3+6+11=13-6+11=18-9-9=11-7+6=6+9-7=()+5=1210+4-

35、8=20-13+8=13-5 +9=17-9-3=12-8-6=16-12=16-13=16-9=16-15=16-11 =16-10=15-4=15-12=15-13=15-8=12-7=12+8=12-9=4+14=12-11 =15-10=14-1 =14-2=14-3=14-4=3+16=2+17=2+18=1+19=2+10=19-5+4=19-6-7=19-7-8=19-8+6=19-9-7=8+12-9=2+13-7=2+14-9=2+15-9=2+16-9=15-5=15-6=15-7=15-8=15-9=13-11=12-7=19-13=12-8=20-14=14-12=14

36、-9=20-14=14+5=14-8=16 9=11 8=13+7=15 6=12-6=9+8-5=6+5+8=6+7-4=6+ 9-12=5 + 9-12=17-9+5=13-8+7=14-7+4=12-6-3=14+5-7=9+3+8=9+8-6=7+8-9=6+ 7-8=4+ 9-6=13-6=8+9=11-7=6+9=17-9=13-7=14-5 =15-6=12-9=12+8=11-9=4+8=16-4=7 9=16-7=2+17=12-8=17-8=18-5=17-13=15-7=10-4 =14+6 =16-9=15+5=16-8=14-7 =12+8 =8+6=14-10 =8

37、+8=14-9=7+5=14-4=11+9 =11-6=17+3 =15-8=16+3=5+8=13-7 =18-9 =12-9 =8+ 7=16-5 =7+9 =15-711-4 =12- 8=17-711-5 =9+ 5 =17-39+ 9=16-2=7+6 =4+ 9 =14-313-514-711-2 =13-4 =9-58+ 5 =7+ 3 =10-7 =12-11 =14-6=15-9 =11-3 =12 + 5 =13-68+ 6 =7+4 =5+ 6 =15-614-410-1013-57+6 =9+3 =10-08+ 9 =9-57+7 =8-212+ 5 =7-69012-

38、815-9+4=13-5-3 =8-3+7 =8+ 7-9 =12-6-510+4-8=20-13+8=13-5 +9=17-9-3=12-8-4=12-2=11-1 =16-0=17-10=18-8=19-10=20-12=10+2=18-6=10+3=10+6=17-4=17-5=10+7=15+4=10+8=15-4=15-3=10+9=14-2=16-12=13+6=13-4=18-8=17-11=11-2=19-8=11+9=16-5=16-7=15-12=15-8=11-5=11+6=19-3=11+7=11+9=18-12=18-7=18-4=11+9=17-3=12+4=12+

39、6=12-7=12+8=13+5=11-10=13+2=17+3=18+1=13+7=13-6=14+2=14+5=19-5=14+5=14-6=19-6=19-9=15+5=15+4=15-3=15-8=16+3=12+7=16-12=17-7=16-14=16+4=16+4=17+2=17-12=18+2=19+1=20+0=3+14=19-10=19-12=11-4=19-14=19-8=13+7=14-9=15-8=14-11=18-7=10+4=18-5=12-5=18-7-8=10+5-7=17-8+6=12+5-9=17-6-2=6+9+4=5+8+7=7+6-8=6+6+7=9

40、+5+4=7+9=8+8=5+8=14-9=17-6=4+7=9+4=6+8=9+7=17-8=9+8=4+6=5+3=6+9=17-5=13-7=6+7=9+6=12-8=6+5=14-6=5+7=4+7=7+9=15-8=16-9=8+4=9+8=8+5=9+11=16-7=13-7=7+4=8+3=17-6=19-8=8+5=9+5=8+6=7+12=8+10=13+7=3+9=11-8=15-8=13+6=13-6=6+8=9+5=13-8=4+6=9+9=8+7=14-5=6+12=12-9=19-8=17-11 =16-11=14+6=6+14=9+2=15-14=5+14=4+9

41、=13+6=9+5=10+10=6+10=18-15=14-6=7+12=6+5=16-11=9+6=18-6=14+6=8+11=7+13=15-7=6+12=14-8=5+9=19-14=7+11=16-8=14-11 =17-9=12-7=18-9=5+4-7=2+9-8=6+7-5=7+12-6=3+6+11=13-6+11=18-9-9=11-7+6=6+9-7=( ) +5=1217-9=13-6=14-5 =15-6=18-( ) =912-9=12+8=11-9=4+8=5+( ) =1416-4=7 9=16-7=2+ 17=11- ( ) =512-8=17-8=18-16=17-8=17-( ) =1015-7=10-4 =14+6 =16-9=14+ ( ) =1815+5=16-8=14-7 =12+8 =+8=128+6=14-10 =8+8=14-9=-12=37+5=14-4=11+9 =11-6=-8=817+1 =15-8=16+3=5+8=+5=189 2=8 4=7+ 5=6+ 6=5+ 6=15 -9=14-8=12-7=9+4=7+ 8=7+ 7=11-6=13-5=6+ 5=5+ 7=12 9= 9+6=16 9= 9+8=1