20以?xún)?nèi)加減法22頁(yè)免費(fèi)

1、20以?xún)?nèi)加減法練習(xí)題（三）姓名： 時(shí)間： 做對(duì)了 題（共100題）9+1 =8 + 7 =8 + 4 =9 + 7 =9+7 =8 + 2 =7 + 9 =8 + 5 =6 + 6 =6+5 =8 + 3 =7 + 5 =9 + 6 =4 + 9 =2+8 =2 + 9 =8 + 6 =6 + 8 =6 + 5 =7+7 =19 9 =8 + 8 =7 + 9 =5 + 8 =8+8 =9+3 =7 + 4 =8+10 =5 + 7 =4+8 =8 + 4 =8 + 5 =7 + 4 =8 + 7 =8+6 =5+9 =7 + 7 =5 + 7 =4 + 8 =7+6 =8 + 6 =6 +

2、5 =9 + 2 =8 + 6 =3 + 9 =4+9 =1 9=7 + 8 =7+10=5 + 9=5+9 =7 + 3 =9 + 8 =2 + 8 =3 + 8 =6+ 9 =6 + 7 =9 + 2 =10 9 =6+ 4 =7+9 =5 + 6 =8 + 3 =2+10 =7+2 =8 + 9=8 5 =6 + 7 =9+8 =6+ 9 =9+0 =10 7 =8 + 4 =6 + 3 =6 + 8 =5+8 =6 + 7 =1+9 =10 + 4 =5+ 10 =8 + 9 =2 + 9 =105 =6 + 8 =13 3 =9+9 =9 + 4 =9 + 5 =9 + 3 =3+8

3、 =9+3 =5 + 9 =8 + 2 =7 + 4 =6+7 =3+8 =9+5 =9 + 3 =8 + 3 =5 4 =姓名：_ 時(shí)間：做對(duì)了 _題（共80題）8 + 9 =9 + 8 =7 + 6 =7 + 5 =6+2+7=10 + 8 =8 + 5 =9 + 6 =6 + 9 =4+5+2=5+5 =9+5 =7 + 8 =9 + 5 =3+5+7=4 + 6 =5 + 9 =6 + 7 =7 + 7 =4+ 4+ 6 =9 + 4=8+4=9 + 7=9 + 4=4+3+2=7 + 4 =6 + 5 =8 + 6 =7 + 8 =4+6+5 =8 + 4 =6 + 6 =6 + 8

4、 =9 + 6 =7+2+4=10-2 =7+7 =8+5 =8 + 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+10 =7 + 5 =7 + 9 =3+ 6+ 5 =8+7 =6+10 =5 + 7 =9 +

5、 8 =7+2+6=9 + 2 =8 + 6 =4 + 7 =9 + 3 =4+4+9=7+5 =19 7 =7 + 4 =8 + 4 =9+1+9=7+9 =7 + 3 =9 + 3 =8 + 3 =8+2+2=8 + 5 =2 + 8 =6 + 6 =6 + 6 =7+3+1=20以?xún)?nèi)加減法口算練習(xí)題（一）姓名： 時(shí)間： 做對(duì)了 _題（共80題）10 + 8 =10+2 =13 + 2 =8+2+3=8+ 10 =177 =19 3 =9+1+4=18 8 =10+8 =3+ 11 =7+3+5=18 10 =3 + 10 =16 4 =7+4+6=10 + 1 =10+2 =19 4 =

6、7+8+3=1 + 10 =10 + 10 =19 5 =6+4+7=11 1 =144 =15 3 =8+2+5=11 10 =18 8 =10 + 4 =5+4+6=6+ 10 =6 + 10 =13 3 =7+2+3=16 6 =10+9 =14-1 =3 + 4 + 10 =16 10 =8 + 10 =10 + 2 =11 1 5 =10 + 3 =133 =13 3 =17 7 3 =3+ 10 =5 + 10 =3+ 15 =19 9 + 1 =13 3 =16 10 =18 8 =15 5 7 =13 10 =11 10 =5+5 =13 3 4 =10 + 5 =13 10

7、=4+ 6 =18 10 4 =5+ 10 =18 10 =20 20 =1710 7 =10 + 8 =10 10 =12 + 4 =1410+5 =3+ 10 =10+9 =88 =16 10+3 =11 1 =105 =10 + 0 =20 10 7 =20以?xún)?nèi)加減法練習(xí)題（四）87+6=姓名： 時(shí)間：_ 做對(duì)了 _8+2+4=82+6=3+6+9=7+3+2=4+42=2+6+5=8+2+6=6+2+7=7+2-5=7+3+4=6+3+7=9-2+7=9+1+8=5+4+7=8-2+8=8+2+5=4+5+8=9-4+7=5 + 4+ 9 =1+0+7=8-2+7=5+2+2=961=

8、9-4+7=3+6+4=5 + 4 + 6 =6+2+9=5+2+7=5+1+7=8-2+3=73+6=2+3+9=9-4+6=72+7=7+2+6=4+3+5=4+23=9+1+5=6+2-3=6+3+4=7+3+2=3+9+6=4+2+5=10 + 8-4 =10-5 + 4 =7+2+7=72+9=3+4+6=8+1+2=6+2+7=9-6+4=1+8+5=8+2+7=4+5+8=6+3+9=63+9=7+5-7=10-1+2 =5+1+7=10-4-0 =（共80題）4+5+8=2+3+4=6 + 3 + 8 =3+3+2=2+2+4=4+8+7=10+2+7 =12+65 =77+5

9、=8+2+7=83+7=5+2+3=6+2+2=3+3+1=2+3+5=30+7=55+5=73+4=6+26=認(rèn)數(shù)基本題（一）20以?xún)?nèi)加減法練習(xí)（一）姓名：_時(shí)間：_成績(jī)：18 一 5 =17-11 =13+ 6 =17 - 5 =16 - 10 =5 4 =9 一 4 =16 一 1 =7 +10 =9 一 0 =18+ 1 =6 + 10 =4 0 =18-12 =17-17 =10+ 2 =10-10 =9 - 0 =15- 0 =4 + 1 =0 +16 =2 + 2 =13-12 =4 +12 =13+ 4 =6 5 =15-13 =14+ 1 =3 +12 =0 + 0 =0 +

10、17 =7 2 =2 +14 =11-10 =11+ 4 =10+ 4 =14- 3 =11- 1 =3 1 =13- 2 =12- 0 =11+ 0 =13-10 =15+ 4 =3 + 5 =10+ 7 =0 + 1 =19 - 14 =11+ 1 =17- 1 =16+ 2 =16 一 4 =3 + 4 =1 + 14 =14+ 2 =4 +12 =12+ 5 =14+ 1 =10+ 8 =17 - 15 =15- 3 =9 8 =11+ 5 =16+ 1 =12+ 3 =17-12 =1 +17 =11+ 5 =2 + 6 =19 一 5 =7 3 =12+ 4 =10+ 7 =1 +

11、12 =11+ 1 =17-10 =9 一 9 =4 +12 =11+ 2 =13+ 2 =16 一 1 =19-13 =4 一 3 =1 + 14 =15 一 3 =6 5 =13+ 1 =11+ 1 =19- 1 =2 + 6 =19-18 =2 +11 =2 + 6 =18-13 =12+ 7 =3 + 1 =3 + 4 =16 - 14 =18- 2 =5 + 4 =姓名：時(shí)間：20以?xún)?nèi)加減法練習(xí)（二）成績(jī)：2 2 =7 3 =60 =7 +11 =13- 3 =8 6 =0+ 18 =10+ 3 =18-11 =17+ 0 =22 =1 + 7 =6 3 =13+ 1 =5+ 14

12、=11+ 0 =7 - 1 =0 +10 =6-1 =2 + 6 =11-10 =11+ 3 =5+ 10 =12-10 =0 +11 =5 +10 =55 =19-11 =17-13 =2 + 2 =3+ 11 =10+ 3 =17- 3 =1 0 =95 =19- 8 =8 + 0 =17- 1 =13-10 =17+ 0 =5 3 二9 8 =73 =2 2 =14- 2 =5 3 二0+ 4 =9 8 =17-14 =16-14 =3+ 12 =3 0 =19-15 =18- 2二11 + 2=1 + 3 =5 +11二10+ 5二5 2 =7 -6=12+ 6=14+ 5 =1 +

13、3二2 +10二10+ 8 =2 -1二9 1二1 + 8 =12+ 6二9-3二17-11 =11-10二7-6二15-11 =7 - 4二16-14二8 6 =15- 2二16-13二8 7 =2 +17二5 +14二11+ 3 =5 +12二16-12二17- 4 =7 +11姓名：_=18720以?xún)?nèi)加減法練習(xí)(三時(shí)間：)成績(jī):19- 5 =10+ 1二2 +15二12-11 =3+3二18- 4二16-16 =1 + 8二1 +13二14-12 =11 - 1 = 10+ 9 =8 +10 =9 - 5 =8 2 =19- 3 =5 2 =3 +11 =14+ 4 =7 + 2 =4

14、+ 5 =19- 5 =19-10 =14- 4 =18-11二18- 7二0 +19二12 +1二15-11二12+ 3二18-13二6 一0二1 +7二18- 16二18-6二9 1二6 一3二13- 1二19-15二8 0二6 一6二0 + 19二92二3 3二12 +3二2 +11二73二13-2二8 0二1 + 5二15 +3二18-15二2 +4二19- 17二3 +6二21二17-10二1 + 15二7 6二3 +6二2 +14二5 13二15 +1二19-7二17-2二2 3二14 +0二13 +0二0 +1二18- 12二18-8二0 +1二12-11二4 +11二12 +7

15、二3 +13二14 +5二19- 1二141二3 +12二12+ 4 =6 +10 =6 +12 =17-14 =5 3 二4 - 3 =13- 1 =1 +10 =1 + 7 =1 +18 =17+ 0 =19- 4 =0 + 9 =4 - 3 =17+ 2 =1 + 7 =18- 8 =11-10 =15-12 =17-11 =1716 =1210 =11+ 1 =1919 =3 + 1 =15- 3 =7 + 10 =姓名:5 + 3 = 18- 1 =5 +10 = 19-17 =4 + 3 =4 - 2 二7 1 = 15-10 =17-11 =2 + 3 =3 + 6 =4 + 5

16、 =7 + 1 =1 + 7 =12+ 2 =18- 6 =20以?xún)?nèi)加減法練習(xí)（四）時(shí)間:成績(jī)3 2 = 13- 0 = 16 4 = 11+ 2 =4 + 10 = 0 + 5 =16+ 1 = 10+ 8 =3 0 = 12-10 = 15-11 =18- 3 =15- 0 =2 2 =3 +15 =0 +11 =9 0 = 12-10 =5 + 2 =0 0 =7 3 =6 +10 =16-14 =19-19 =12-12 =3 0 =4 - 0 = 19-18 =9 1 =17- 6 =19- 1 =12-11 =1 +13 =4 + 3 =3 +14 =2 +13 =18- 2 =8

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

18、 =1 + 2 =12+ 3 =16 1 =5 + 12 =15-11 =19-18 =11+ 6 =11+ 2 =20以?xún)?nèi)加減法練習(xí)（五）姓名：_時(shí)間：_成績(jī)：-19+ 0 =1 +18 =7 1 =1 +16 =4 + 2 =16-15 =1 - 1 =17-16 =7 + 1 =5 - 2 -2 + 4 =19-17 =10 + 10 =6 1 =1 + 0 =1 +11 =2 +10 =0 + 4 =18 15 =12- 1 =15-13 =5 + 14 =3 + 0 1 +15 =6 0 =8 0 =12+ 7 =15-11 =13+ 4 =0 + 0 =19 8 =13+ 5 =1

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

20、4=2+12=11+ 3=19- 5 =17-14=17+ 2=4 +14=13- 3 =1 +14=16-11=12-10=19- 8 =2 + 6=7+2=14-10=9 6 =19- 56-5姓名：_=15 5 =20以?xún)?nèi)加減法練習(xí)（六）時(shí)間：成績(jī)：4 + 12 =10+ 6=0+16=16- 2=19- 1 =2 +15=2+12=16- 2=18-16 =2 +17=10-10=19- 7=14-13 =15-15=12-1=0 +11=7 +11 =14-12=15-2=114 0=1 + 2 =1 +15=0+11=0+9=17-10 =1 + 8=15+ 0=5+0=14+ 0

21、 =3 + 2=6 -1=5+0=16- 1 =13-12=1 + 3=9+0=8 - 7 =18- 4=13-11=9-7=18- 4 =2 + 510+ 53 +1115-14 =17-12二12-12二6 +10二17-17二4 1二5 -2二2+5二10+ 8二15 - 3二1 + 14二6 +12二2 -1二18 6二1 + 10二15- 5二9 -2二6 +13二1 + 14二8 + 1二14+ 5二18 1二3 + 10二14+ 4二8 -7二12 -11二17-16二10+ 9二3 + 4二1 +13二12+ 2二10+ 3二12+ 4二3 +12二16+ 2二7-4二19-1

22、0二14 -10二11+ 6二19-16二2 + 12二7 +11二10+ 6二2 + 4二16+ 3二3 +12二17- 5二19- 3二11+ 8二1 + 4二18- 3二1 + 7二19- 4二14+ 3二3+16姓名：=15-12 =20以?xún)?nèi)加減法練習(xí)（七） 時(shí)間：4 -成績(jī)：-3二4 + 4二18- 1二8 一 8二15+ 2二14+ 3二5+3二10+ 7二17- 3二12+ 7二10+ 3二16- 0二3 + 16二15-14二14- 2二9 +10二15-12二5-3=2 + 13=18+ 0=18- 3=8 + 0二1 -0二19-19二6 -1二6-3二11 -1二13-1

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

24、2 + 2=1 +15=19-18=19-18=17- 1=3-0=7 -0=7 - 1=12-11=3 +13=0 + 10=11+ 0=8 -6=5 +12=19-18=15-10=17- 1=1 +1311+ 8姓名：_=12+ 3 =20以?xún)?nèi)加減法練習(xí)（八）時(shí)間：成績(jī)：16- 1:17- 5=0 + 18=18-14=17- 6=8-7=13+ 0=2 + 2=5+2=8 + 0=3+6=4 +12=9 -5=6 - 1=2+3=17+ 2=3 + 13=5-0=3 -0=11+ 5=0 + 4=9 +10=14-11=8+0=3 + 10=11+ 7=16-0=5+3=0 +11=1

25、 + 8=12-2=15- 1=6 -5=19- 4=19-15=9 一 8=3+6=18- 5=8 +11=5+3=17+ 1=14+ 23 + 414-1218- 74 +13 =2 + 7 =15- 1 =18-183 +16 =11-10 =2 - 2 =4+316 一 6 =6 + 10 =17+ 2 =8 + 18 一 6 =4 + 2 =9 - 4 =10+ 31 +15 =6 5 =1 +12 =13-1117-15 =14+ 1 =17-16 =16- 518-10 =15-10 =1 +18 =2 - 110+ 5 =8 8 =5 + 3 =1 + 1716 - 15 =1

26、6+ 2 =2 1 =10+ 33 +11 =11-10 =1 + 7 =6 + 32 +12 =11-10 =1 +12 =7 + 1012+ 2 =16-11 =7 7 =5+122 +16 =7 - 3 =14- 1 =11+ 25 3 =16 - 3 =12+ 1 =9 5 二20以?xún)?nèi)加減法練習(xí)（九）姓名：時(shí)間：成績(jī)：18-11 =10+ 7 =15-12 =1 +16 =1 +16 =5 一 5 =3 + 3 =10+ 6 =18-12 =7 7 =4 1 =12- 1 =0 + 1 =7 - 0 =1 +10 =15- 5 =2 + 3 =19 一 9 =17 4 =11+ 2 =

27、4 4 =16+ 1 =6 一 2 =16 一 1 =16+ 3 =5 5 =18+ 0 =7 +11 =5 +12 =13 - 2 =2 + 6 =8 一 4 =16+ 3 =1 +13 =4 0 =7 2 =18-10 =17- 5 =8 一 3 =0 +11 =9 + 0 =16 一 6 =16 一 0 =2 + 4 =13 +3 =4 -0=3+2=16-12=17-4 =0+16=0+6=19 +0=10 +4 =8 一23 +11=2 +611 +3 =19-5=2 +11=11 +3=10 + 10 =16-14=9 -4=4 +3=5 -4 =7 一55 + 4=5 -3=17

28、-3 =17-4=14- 2=2 +1=15 +3 =1 +4=19-17=7 +2=17-16 =15-4=15-12=14-12=3 +3 =5 +119- 5=:18-16=2 +6 =18-8=2 +16=8 一5=15 +1 =7 一35 -2=16- 13=14 +3 =14 +113- 2=3+14=12 +3 =10 +63 +1513-220以?xún)?nèi)加減法練習(xí)（十）姓名：時(shí)間：成績(jī):1 +16 =7 5 =5 +10 = 11+ 7 =7 - 1 =8 2 =2 + 4 =1 +16 =15- 4 = 15-10 =15- 2 =14+ 2 =7 - 1 =2 + 5 =9 -

29、6 =17+ 0 =11+ 0 =2 + 3 =16- 3 =15+ 2 =15- 2 =2 + 10 =1 +14=3+14=10- 0=15+ 111+ 6=8 一 8=10+ 6=1 + 0=19- 2=15- 10=5+2=4 + 10=12+ 3=15-14=18-10=17- 4=16-14=8 + 10=3-3=0 + 19=5 +148 一 415- 4 =7-3=2 +10=7 +11=11-10 =14+ 2=12+ 0=4+3=19-19 =4 + 15=13- 0=12-125 +10 =1 + 1=19- 3=15- 2=9 - 2 =17- 3=8 6=10+ 1=

30、18- 5 =1 + 10=19-18=8-2=2 + 2 =8-7=11+ 1=16+ 3=4 +10 =19- 9=3+0=19- 5=12- 1 =17- 3=3 + 1=17-12=17-16 =12-11=3 +10=5 - 1=9 - 3 =10+ 9=19- 6=2 + 10=17- 2 =4 + 15=3+2=1 + 1=17-14 =7-6=16- 5=3 + 10=13+ 6 =1 + 2=6-2=18- 120以?xún)?nèi)減法練習(xí)（十)姓名：_時(shí)間：成績(jī)：0 +11 =5+14=0+7=0+6=19-16 =0+0=18-13=18- 1=0 +11 =1 + 17=0+2=13

31、-10=0 + 3 =1 + 15=9-9=10-10=3 +12 =16- 0=0+0=17- 3=19- 6 =2 + 13=1 +10=2 + 13=5 +12 =12+ 7=8-7=7-4=9 + 0 =3+12=0 +11=5 + 1=12+ 0 =18-11=1 + 4=19- 5=1 +15 =2 + 4=16+ 1=6 +11=18- 7 =19-11=10+ 96-516- 5 =1 + 7 =12-10 =7 + 2 =5 1 =10+ 4 =11 + 3 =17-15 =15 3 =15 4 =17- 1 =3 + 5 =18 - 8 =6 - 4 =14 10 =3 +

32、 1 =9 - 1 =19-10 =2 + 2 =7 + 1 =19 6 =8 4 =2 +11 =17- 2 =12+ 1 =17-14 =18 6 =4 + 3 =3 +10 =14-12 =12- 1 =2 + 16 =14+ 1 =16-11 =13-11 =2 + 14 =5 +10 =15+ 2 =1 +18 =17-10 =12+ 1 =19- 2 =7 6 =1 + 7 =6 1 =17+ 2 =7 1 =7 + 1 =19-14 =9 - 2 =19-18 =7 6 =1 +11 =2 + 10 =18- 3 =10+ 9 =20以?xún)?nèi)加減法練習(xí)（十二）姓名：_時(shí)間：_成績(jī)：1

33、4 + 4 =0 + 3 =17-11 =18-12 =18 - 5 =14 + 4 =0 +12 =3 +11 =7 +10 =7 + 0 =2 + 6 =5 + 12 =5 +12 =18- 3 =19- 3 =7 4 =2 + 4 =7 1 =18-12 =2 + 17 =9 一 8 =10+ 1 =7 5 =7 +11 =12+ 3 =1 +14 =17-14 =1 +15 =1 + 1 =9 5 =6 + 1 =0 + 17 =6 +11 =0 +17 =6 1 =16- 5 =13- 2 =6 +12 =15-14 =7 + 0 =12+ 7 =2 +10 =5 +11 =6 +

34、0 =13-10二16-13二5+ 2二16-14二5 +13二2 +10二12+ 3二3 +1二19- 1二4 4二0+ 18二125二2 +13二2 + 15二19-13二180二4 +13二9 -0二65二15-4二102二6 + 13二36二12 +1二1 +18二18-11二18二4 4二124二0+16二82二3 + 10二21二6 -6二3+ 13二6 一3二413二5 + 1二75二19-19二132二16-14二16+ 3二13-13二6-2二4+12二100二6 2二4 1二16-14二6+ 12二15 +3二12-11二4 1二16-14二12 +4二10以?xún)?nèi)加減法口算練

35、習(xí)題集合（一年級(jí)）一年級(jí)10以?xún)?nèi)加減法口算練習(xí)題（一）姓名時(shí)間做對(duì)2 + 6 =9-7 =3+2 =3 + 4 =5 + 4 =3+5 =7+1 =9-3=8-3=5 4=8-2 =0+8 =3+1 =6+ 1 =7 + 3 =10-2 =7-2 =6 4 =9-2 =10-9=5+5 =5+2 =9 4 =8+1 =2-1 =4+6=2+7 =9-5 =3 + 3 =4-2 =10-4 =1 + 2 =5-3 =0 + 8 =10-7=2 + 4 =6 5 =4+ 4 =5-1 =1+9 =8 一 4 =6+ 0 =3-3 =1+5 =10-5=1 + 1 =8+1 =4-1 =9-3 =3

36、 + 6 =一年級(jí)10以?xún)?nèi)加減法口算練習(xí)題（二）姓名時(shí)間做對(duì)0+ 6 =10-7 =3 + 3 =3 + 5 =5+3 =4+ 5 =7 + 3 =9-2 =8 6 =8 一 4 =9-2 =0 + 5 =3 + 0 =6 + 2 =7+0 =10-3 =9-2 =6 6 =9-0 =10-5 =5+2 =5 + 3 =9 1 =8 + 2 =5 1 =4+5 =2 + 6 =9 0 3 + 4 =4 0 =10-5=2+2=5 一 4二0+9=10-8=3 + 4 =9 5 =4 + 3 =7-1 =0+9 =8 5 =6 + 3 =6 3 二2 + 5 =10 4 =1 + 3 =8 + 2 =