20以内减法口算练习题4000题 (87).docx

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

21、15 =8-2 =15 - 13 =7-4=17-7=15 - 14=16 - 1=8-1二10-4=18 - 18=16 - 6=10-6=5 - 1=18-7=12 - 1=11 - 1=18-8=3 - 1=20 - 18=14 - 12 =3-3 =12-7=7-2=20 - 10=6-1 =11-2 =20-13 =19-6=14 - 14=16-8=2 - 1=8-8=17-4=16-4=18-2=13-2 =12 - 5二13-8=15 - 11=10-8=16-13 =11-7=15-2 =17 - 12=16 - 14=18 - 14=18 - 16=18 - 11 =13

22、- 12 =16 - 12 =19 - 12=17-11=7-7=20-3 =19-7=15 - 10=9-4=18-9=1 - 1=10-3 =14-6=3-2 =5-3=7-6=15-3 =17 - 6=13 - 10二19-5 =10 - 10=18 -10=13 - 13 =14-2 =14-13 =10 - 1=12-6=12 - 11=12-2=9-5 =17 - 10=12 - 12 =19-3 =8-4=11 - 11=13 - 1=11 - 8二20-4=10-7=20-1=19 - 10=6-3 =20 - 14=19-2 =14-11 =15-8=12 - 3 二18-5

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

24、20-5 =20 - 20=19 - 1=19 - 14=14-8=5-4=17 - 15 =17 - 13 =6-4=20-11=11 - 6二19 - 19=12 - 10=20-2 =20-7=19 - 13 =18-6=18-3 =18-1=13 - 11=17 - 17=5-2 =13-6=10-5 =20 - 19=7-1二19-15 =8-2=15-13 =7-4=17-7=15 - 14=18-4=10-3 =14-6=3-2 =18 - 18=16 - 6=10-6=5 - 1=18-7=12 - 1=11 - 1=18-8=3 - 1=20 - 18=14 - 12 =3

25、- 3二12-7=7-2 =19-4=9-5=17 - 10=12 - 12 =7-3 =19-8=8-5 =13-9=11-4=2-2=13-7=14-1 =14-9=15 - 15 =19 - 17=17 - 1=15-4=18 - 13 =20 -10=6-1=11-2 =20 -13 =20 -12 =16-5=20-9=18 -17=8-6=9-3 =15 - 1=14 - 10=19 - 11=9-8=9-2 =17-2=8-3 =11-7=15-2 =17 - 12 =16 - 14=7-6=15 - 3 =17-6=13 - 10=19-5 =10 - 10=18 - 10=1

26、3 - 13 =14-2=14-13 =10-1=12-6=12 - 11=12-2 =9-7=19 - 16=12-9=13 - 5=8-4二11 - 11 =13 - 1=11-8=20-4=10-7=20-1=19 - 10二6-3=20 - 14=19-2 =14 - 11=15-8=12 - 3二17 - 14=17-5 =20 - 20=19 - 1=14 - 14=16-8=2 - 1=8-8=17-4=16-4=18-2 =13-2 =12 - 5二13-8=15 - 11=10-8=16-13 =16-11 =18-5 =6-5 =15 - 5 =20-15 =18 - 11

27、=13 - 12 =16 -12=19 -12 =17-11=7-7=20-3 =19-7=15 - 10=9-4=18-9=1 - 1=18 - 15 =20-6=16 - 10二9-9=17-8=13-3 =10-9=16-15=5 - 5二19-9=20-8=16-9=15-6=18 - 12 =17-9=19 - 18=9-1 =20 - 16=20-5 =4-1=7-3 =19-8=8-5 =14-8=5-4=17 - 15 =17 - 13 =6-4=20-11 =11-6=19 - 19=12 - 10二20-2 =20-7=19-13 =18-6=18-3 =17-3 =17

28、- 16=20 - 12=16-5 =9-6=14-4=7 - 5二16 -16=11 - 5二16-2 =15-9=14-7=6-2 =8-7=11-9=4-4=20 - 17=13-4=18 - 1=13 - 11=17 - 17=5-2=16-7=4-2 =12-4=14-5 =6-6=4-3 =15 - 12 =15-7=10-2 =11 - 3二16 - 1=8-1=10-4=18 - 18=16 - 6二10-6=5 - 1=11-4=2 - 2 =13-7=14-1=14-9=15 -15=19 - 17=17 -1=15-4=18 -13 二20 -10=6-1=11-2=20

29、 -13 二19 - 6=14 - 14=16 - 8 二 2-1=8 - 8 二18 - 17 =8-6=9-3 =15 - 1=14 - 10=19 - 11=9 - 8 二9 - 2=17-2=8-3 =11-7=15 - 2=17 - 12=16 -14=18 -14=18 -16=18 -11=13 -12 =16 -12=10 - 5二20 -19=7 -1=19 -15 二8 - 2 二15 -13=7-4=17 - 7二15 -14=18-4=10 - 3 二14 - 6=3-2=5 - 3 二7-6=15 - 3 =17 - 6=13 -10=19 - 5二12 -1=11

30、-1=18 - 8 二3 -1=20 -18=14 - 12 二3 - 3 =12 - 17 - 2 =19-4=9-5 =17 -10=12 -12 =19 - 3 二8-4=11 - 11=13 -1=11 - 8=20-4=17-4=16-4=18-2 =13-2 =12 - 5二13-8=15 - 11=10-8=16-13 =16-11=18-5=6-5 =15 - 5 =20-15 =14-3 =9-6=14-4=7-5 =19 - 12=17 -11 =7-7=20-3 =19-7=15 - 10=9-4=18-9=1 - 1=18-15 =20-6=16 - 10=9-9=17

31、-8=11 - 10=12-8=16-7=4-2=10 - 10=18 - 10=13 - 13 = 14-2 =14-13 =10 - 1=12 - 6 二12 - 11= 12-2 =9-7=19 - 16= 12-9=13 - 5 = 16-3 =13-3 = 10-9=16-15 =5 - 5 =20 - 1=19 -10=6-3 =20 - 14=19-2 =14 - 11=15-8=12 - 3二17 - 14=17-5 =20 - 20=19 - 1=19 - 14=14-8=5-4=17 - 15 =17-13 =11 - 5二 16-2 =15-9=14-7=6-2 =8-7

32、=11-9=4-4=20 - 17= 13-4=18 - 1=13 - 11=17 - 17=5-2 = 13-6= 10-5 =20 - 19=7-1 二14-5 =6-6=4-3 =15 - 12=15-7=10-2=11 - 3二16-1 二8-1二10-4=18 - 18=16 - 6二10-6=5 - 1=18-7=12 - 1=11 - 1=18-8=20-8=16-9=15 - 6 二18 - 12 =17-9=19 - 18=9-1=20 - 16=20-5 =4-1=7-3 =19-8=8-5 =13-9=11-4=2-2=13-7=14-1=11-6=19 - 19=12

33、- 10二20-2 =20-7=19-13 =18-6=18-3 =17-3 =17 - 16=20 - 12=16-5 =20-9=18 - 17=8-6=9-3 =15 - 1=17-6=13 - 10= 19-5 =10 - 10=18 -10=13 - 13 = 14-2=14-13 = 10-1=12-6=12 - 11= 12-2=9-7=19 - 16= 12-9=13 -5= 16-3 =13-3 = 10-9=13 - 1二11-8=20-4=10-7=20-1=19 - 10=6-3 =20 - 14=19-2 =14 - 11=15-8=12 - 3 =17 - 14=1

34、7 - 5二20 - 20=19 - 1=19 - 14=14-8=2 - 1二8-8=17-4=16-4=18-2 =13-2 =12 - 5 =13-8=15 - 11=10-8=16-13 =16-11 =18 - 5 =6-5 =15 - 5二20 -15=14-3 =9-6=16-12 =19 - 12=17-11=7-7=20-3 =19-7=15 - 10=9-4=18-9=1 - 1=18 - 15 =20-6=16 - 10二9-9=17-8=11 - 10二12-8=8-2=15 - 13 =7-4=17-7=15 - 14=18-4=10-3 =14-6=3-2=5-3

35、=7-6=15-3 =17-6=13 - 10=19-5=10 - 10=18 - 10=13 - 13 =20 - 18=14 - 12 =3 - 3二12-7=7-2 =19-4=9-5 =17 - 10=12 - 12 =19-3 =8-4=11 - 11=13 - 1=11-8=20-4=10-7=20 - 1=19 - 10=15 -15=19 - 17=17-1 =15-4=18 - 13 =20 - 10=6-1=11-2 =20-13 =19-6=14 - 14=16-8=2 - 1=8-8=17-4=16-4=18-2 =13-2 =9-8=9-2 =17-2 =8-3 =1

36、1-7=15-2 =17 - 12 =16 - 14=18 - 14=18 - 16=18-11=13 - 12 =16-12 =19 -12=17-11=7-7=20-3 =14-13 = 10-1=12-6=12 - 11= 12-2=9-7=19 - 16= 12-9=13 - 5= 16-3 =13-3 = 10-9=16-15=5 - 5二 19-9= 20-8= 16-9= 15-6=20 - 14=19-2 =14 - 11=15-8=12 - 3二17 - 14=17 - 5二20 - 20=19 - 1=19 - 14=14-8=5-4=17 - 15 =17 - 13 =6

37、-4=20-11 =11-6=19 - 19=13-8=15 - 11=10-8=16-13 =16-11 =18-5 =6-5 =15 - 5二20 - 15=14-3 =9-6=14-4=7 - 5 =16 -16=11 - 5二16-2 =15-9=14-7=9-4=18-9=1 - 1=18 - 15 =20-6=16 - 10=9-9=17-8=11 - 10=12-8=16-7=4-2=12-4=14-5=6-6=4-3 =15 - 12 =17-9=19 - 18=9-1二20 - 16=20-5=4-1 =7-3 =19-8=8-5 =13-9=11-4=2 - 2 =13-7=14-1 =14-9=15-15 =19 - 17=17-1 =20-2 =20-7=19-13 =18-6=18-3 =17-3 =17 - 16 二20 -12=16-5=20-9=18 -17=8-6=9-3 =15 - 1=14 - 10=19 - 11 =9-8=9-2 =8-7=11-9=4-4=20 - 17=13-4=18 - 1=13 - 11=17 - 17=5-2=13-6=10-5 =20 - 19=7-1=19 - 15 =8-2 =15 - 13 =7-4=17-7=11 - 3 =16-1=8-1二10-4=