20以内减法口算练习题4000题 (144).docx

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

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

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

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

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

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

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

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

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

10、8=16 - 10=20-7=6-2=17 - 14=16-8=14 - 13 =8-3 =6-6=13 -11=15 - 2=6-1=14-3 =13 -12=12-4=5-2 =20 - 19=2 - 1=12-8=4-2 =17-7=18-9=20-8=13-6=4-4= 15-9=18 -1619 -1=12 - 5=10 -1=18 - 14=3 - 2= 17-1=20 - 2 二11 -10=9-9=13 -13 = 20-1=5 -1=13 -10=17 -13 二19 -18=20 -12 =14-5 =12 - 9二1 - 1=18 - 13 =8-1=19 - 5二10-

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

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

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

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

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

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

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

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

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

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

21、-3 =13-8=19 - 17=6-4=16 - 16=17-2 =15-7=11 - 11=11 - 5 =20-4=19-4=7-2 =20-11=10 - 10二20 - 15 =12-2 =17-3 =12 - 6二17-5 =20 - 20=18 - 5 =11-4=18 - 18=6-3 =14 - 11=16 - 6二8-5 =13-9=9-7=19 - 14=20 - 16=19 -16=11-7=19-7=16-11=18 - 17=20 - 17=7-3二18 - 15 =17-4=18-4=15 - 15 =14 - 10=15 - 1=12 - 11=9-5 =10-

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

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

24、14-8=9 - 4=20 - 14=14-6=17-6=14-13 =8-3 =6-6=13 - 11=15-2=6-1=14-3 =13 - 12=12-4=5-2=20 - 19=2 - 1 二12-8=20-1=5-1 =13 - 10=17 - 13 =19 - 18=12 - 1=17 - 10=15 - 11=18-1=4-1二16-7=16-3 =13 - 8二19 - 17=7-1=4-3 =7-6=16-1=11 - 11=11 - 5二20-4=19-4=7-2 =20-11=10 - 10二20-15 =12-2 =17 - 3二12 - 6=17 - 5二20 - 2

25、0=18 - 5=16-13 =19-15 =18 - 12=15 - 6二20-7=6-2=17 - 14 二16-8=12-7=17 - 16=17 - 15 =9-3 =18-2 =5-4=11-6=14-7=14-9=18-7=11-4=18 - 18=6-3 =14 - 11=18-9=20-8=13-6=9-6=18-8=11-2 =14-2 =10-4=11 - 3 二12 - 12 =15 - 14=19-6=16-9=17-4=18-4=15 - 15=14 - 10=18 -10=19-3 =8-4二19-13 =19-2 =18 -11=3-3 =10-8=15 - 8二

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

27、0-3 =20 - 10=3 - 1二10-9=20-5 =9-8=5 - 3二16 - 12 =13-4=10 - 5二14-4=16 - 14=20-9=17-8=15 - 12 =8-8=7-7=15 - 3 =19-9=7-5 =10-2 =19 - 19=20-13 =15 - 13 =15-4=20-3 =6-5 =11-9=8-6=14-8=16 - 10=20-7=6-2 =17 - 14=17 - 6二14-13 =8-3 =6-6=13 -11=15-2=6-1=14-3 =13 - 12=12-4=5-2=20 - 19=2 - 1=12-8=4-2 =17-7=18-9

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

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

30、0=18-5=16-13 =19-15 =18 - 12 =15-6=2-2=19 - 11=13 - 5=20 -18=16-4=20 -16=19 - 16=11-7=19-7=16-11=18 - 17=20 - 17=7-3 =18 - 15=9-1 =8-2=15- 10=12 - 3 =18-6=12 -10=7-4=4-4=15-9=3 - 1=10-9=20-5 =9-8=5-3 =16-12 =13-4=10-5 =14-4=16 - 14=20-9=17-8=15 - 12=8-8=17 - 11 =8-7=19 - 10二20 - 12 =18 - 11=3-3 =10-

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

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

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

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

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

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

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

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