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1、12 - 10=18 - 12 =18 - 15=12-4=14-6=15-8=14-3 =5-3 =19-1=15 - 15=20 - 17=17-13 =20 - 20=15-6=20-7=14-4=20-13 =15 - 14=5 - 1二6-5 =3-2 =14-2=17 - 16=13 -13 =16 - 16=6-3 =7-3 =12 - 1二10-6=19-4=15-2 =9-9=20 - 10=20 - 19=19 - 19 =17-8=19-7=9 - 3二8-7=16 - 6=15 - 11=4-1二16 - 5=13-3 =16-7=18 - 16=13 - 1=10-1
2、=18-8=20-1二20-4=17 - 11 =8-6=8-1=1 -1=5-2 =9-7=15-9=19 - 14=18-2=12 - 12=12-9=17-15 =19 - 13 =16-8=16-4=9-1二18-6=7-7=10-5 =11-9=11 - 1=20-1=20-4=17-11=8-6=8-1 =19-5 =20-15=7-2=5-4=10-4=4-3 =6-2 =19 - 11=15 - 13 =18-1=20 - 16=18 - 10=16 - 10=18-6=7-7=10-5 =11-9=11 - 1二14-9=20-6=13-7=17 - 10二19-6=17-9
3、=18 - 18=8-3 =17 - 5二6-1=12-8=18 - 14=16 - 14=20-7=14-4=20 - 13 =15 - 14=13-8=14 - 10=17-7=13-6=8-2=10-3 =6-4=4-2 =17 - 6=15 - 5二19-3 =18-4=11-4=8-4=20 - 10=20 - 19=19 - 19=17 - 8二16 - 12=16 - 1=12 - 11=12 - 3二11 - 3二9-8=20 - 14=19 - 10=19 - 18=2 - 1=17 - 14=15-4=18 - 17=11 - 5 =6-6=13 - 5=13 - 11=1
4、3 - 12=8-8=17-2 =13-2=15-7=18-9=18 - 11=3 - 1=14 - 11=15 - 10=16-2 =15 - 1=2-2=4-4=10-9=12 - 5=17 - 17=11-2 =17 - 12 =11-7=19-15 =17-4=3-3二20-8=19-8=12-7=9-5 =9-2 =10 - 10=14-13 =13 - 10=19-2 =14-7=16-3 =9-6=20 - 18=7-4=20-5=9-4=17 - 1二20-9=16 - 15=18-5=20-2 =19 - 16=14 - 14=10-2 =14-5 =11-6=8-5 =16
5、-13 =19-9=7 - 5 =5 - 5二19 - 12 =20-11=11 - 10=11 - 8=16-9=14-8=15 - 12 =20 -12=20-3 =18-3 =18-7=19 - 17=14-1 =10-7=14 - 12 =18 -13 =12 -10=18 -12=18 -15 =12-4=14-6=15-8=14-3 =5-3 =19-1 =15 - 15 =20 - 17=17-13 =20 - 20=15 - 6=20 - 7=14-4=20-13 =15 - 14=13-9=5-1 =6 - 5 =3-2 =14 - 2=17 - 16=13-13 =16 -
6、 16=6-3 =7-3=12 - 1=10 - 6=19-4=15-2=9-9=20 - 10=20 - 19=19 -19=17-8=15-3=19 - 7=9-3 =8-7=16 - 6=15-11 =4-1 =16 - 5=13-3 =16 - 7=18 - 16=13 -1=10-1 =18 - 8=20 - 1=20-4=17-11 =8 -6=8-1 =错误率：7-6=1 - 1=5-2=9 - 7=15 - 9=19 - 14=18-2=12 - 12=12-9=17 - 15 =19-13 =16-8=16-4=9-1 =18 - 6=7-7=10 - 5 =11 - 9=1
7、1 - 1=13-8=14 - 10=17-7=13-6=8-2=10-3 =6-4=4-2 =17-6=15 - 5二19-3 =18-4=11-4=8-4二17-3 =16-3 =9-6=20 -18=16 -12=16-1=12 -11=12 - 3二11 - 3二9 - 8二20 - 14=19 - 10=19 -18=2 - 1=17 - 14=15-4=18 - 17=11 - 5 =10-8=19-9=7-5 =5 - 5 =19 - 5=20 - 15=7-2=5-4=10-4=4-3 =6-2 =19 - 11 =15 - 13 =18 - 1=20 - 16=18 - 10
8、二16 - 10=12-2 =6-6=13 - 5 =13 - 11=13 - 12 =14-9=20-6=13-7=17 - 10二19-6=17-9=18 - 18=8-3 =17-5 =6-1=12-8=18 -14=16 - 14= 12-6=12 - 5二17 - 17= 11-2 =17 - 12=11-7=20-5=20 - 11=17-2=19 - 15=9-4=11 - 10=13-2 =17-4=17-1=11-8=15-7=3-3 =20-9=16-9=18-9=20-8=16-15 =14-8=18 - 11=19-8=18-5=15 - 12=3 - 1=12-7=2
9、0-2=20-12 =14 - 11=9-5 =19 -16=20-3 =15 - 10=9-2 =14 - 14=18-3 =16-2=10 - 10=10-2=18-7=15 - 1=14-13 =14-5 =19 - 17=2-2 =13 - 10二11 - 6二14-1二4-4=19-2 =8-5 =10-7=10-9=14-7=16-13 =14-12 =13-4=11 - 11=16-11=7 - 1=18 - 13 =13-9=15-3 =7-6=12 - 10=5 - 1=19-7=1 - 1=18 - 12 =6-5 =9-3 =5-2 =18 - 15=3-2=8-7=9-
10、7=12-4=14-2 =16 - 6=15 -11=4-1 =16-5=13 - 3=16-7=18 -16=13 - 1=10-1=18-8=20-1二20-4=17-11=8-6=8-1二19-5 =20 -15=7-2=15-9=19 - 14=18-2 =12 - 12 =12-9=17 - 15 =19 - 13 =16-8=16-4=9-1二18 - 6二7-7=10-5=11-9=11 - 1=14-9=20-6=13-7=14-6=15-8=14-3 =5-3 =19 - 1=15 - 15 =20 - 17=17 - 13 =20 - 20=15 - 6二20-7=14-4
11、=20-13 =15 - 14=13 - 8二14 - 10=17-7=13-6=17 - 16=13 - 13 =16 - 16=6-3 =7-3 =12 - 1=10-6=19-4=15-2 =9-9=20 - 10=20 - 19=19 - 19=17-8=16 -12=16 - 1二12 - 11=12 - 3 二10-4=4-3 =6-2 =19 - 11=15-13 =18-1 =20 - 16=18 - 10=16 - 10=12-2 =6-6=13 - 5=13 - 11=13 - 12=8-8=17-2=13-2=15-7=19-6=17-9=18 - 18=8-3 =17-
12、5 =6-1=12-8=18 - 14=16 - 14=12-6=12 - 5二17 - 17=11-2 =17 - 12 =11-7=19-15 =17-4=3-3 =10-3 =6-4=4-2 =17 - 6二15 - 5二19-3 =18-4=11-4=8-4=17-3 =16-3 =9-6=20 - 18=7-4=20-5=9-4=17 - 1=20-9=9-8=20 - 14=19 - 10二19 - 18=2 - 1 =17 - 14=15-4=18 - 17=11 - 5二10-8=19-9=7-5 =5 - 5 =19 - 12 = 20-11=11 - 10=11 - 8=1
13、6-9=18 - 11=3 - 1 =14 - 11=15 - 10=16-2 =15 - 1 =2-2 =4-4=10-9=13-4=18-13 =12 - 10=18 - 12 =18 - 15 =12-4=14-6=15-8=14-3 =19-8=12-7=9-5 =9-2 =10 - 10=14-13 =13 - 10=19-2 =14-7=11 - 11=13-9=5 - 1=6-5 =3-2 =14-2 =17 - 16=13 - 13 =16 - 16=18-5=20-2 =19 -16=14 - 14=10-2 =14-5 =11 - 6 二8-5 =16-13 =16-11
14、=15 - 3二19-7=9-3 =8-7=16 - 6二15 -11 =4-1=16 - 5 =20 -12=20-3 =18-3 =18-7=19 -17=14-1=10-7=14 - 12 =7 - 1二7-6=1 - 1=5-2 =9-7=15-9=19 - 14=18-2=12 - 12 =20以内减法口算练习题4000题 时间：19-1=7-3=16-7=15 - 15 =20 - 17= 17-13 =20 - 20=15-6=20-7=14-4=20-13 =15 - 14=13-8=14 - 10二17-7=13 - 6=8-2=10-3=6-4=4-2=17-6=12 -
15、1=10 - 6= 19-4= 15-2=9 - 9=20 -10=20 - 19=19 - 19=17-8=16 - 12=16-1=12 - 11=12-3 =11 - 3二9 - 8二20 - 14=19 - 10=19 - 18=18 -16=13 - 1=10-1=18-8=20-1 =20 - 4=17-11 =8 - 6=8 - 1 =19 - 5=20 -15=7-2=5-4=10-4=4-3 =6-2=19-11 =15 - 13 =错误率：17-15 =19 - 13 =16-8=16 - 4=9-1=18 - 6=7-7=10 - 5 =11 - 9=11 - 1 =14
16、 - 9=20 - 6=13 - 7=17 - 10=19-6=17-9=18 - 18=8-3 =17-5 =15 - 5二19-3 =18-4=11-4=8-4=17-3 =16-3=9-6=20 - 18=7-4=20-5=9-4=17-1 =20-9=16-15=18-5=20-2=19 - 16=2 - 1=17 - 14=15-4=18 - 17=11 - 5二10-8=19-9=7 - 5二5 - 5二19 - 12 =20-11 =11 - 10二11-8=16-9=14-8=15 - 12=20 - 12=20-3 =18 - 1二20 - 16=18 - 10=16 - 1
17、0=12-2 =6-6=13 - 5 =13 - 11 =13 -12=8-8=17-2 =13-2 =15-7=18-9=18 - 11=3 - 1=14 - 11 =15 - 10=6-1 =12-8=18 - 14=16 - 14=12 - 6二12 - 5 =17 - 17=11-2=17 - 12 =11-7=19-15 =17-4=3-3 =20-8=19-8=12-7=9-5 =9-2 =14 - 10二17-7=13-6=8-2 =10-3=6-4=4-2 =17-6=15 - 5二19-3 =18-4=11-4=8-4=17-3 =16-3 =9-6=20 - 18=7-4=
18、16-1=12 - 11 =12 - 3二11 - 3二9-8=20 - 14=19 - 10=19 - 18=2 - 1=17 - 14=15-4=18 - 17=11 - 5 =10-8=19-9=7-5 =5 - 5 =19 - 12 =20-15 =7-2 =5-4=10-4=4-3 =6-2=19 - 11=15 - 13 =18 - 1=20 - 16=18 - 10=16 - 10=12-2=6-6=13 - 5 =13 - 11 =13 - 12 =8-8=13-7=17 - 10二19-6=17-9=18 - 18=8-3 =17-5 =6-1 =12-8=18 - 14=1
19、6 - 14=12 - 6=12 - 5二17 - 17=11-2=17 - 12 =11-7=10-2=14-5=11-6=8-5 =16-13 =16-11=15 - 3 =19-7=9-3 =8-7=16 - 6二15 - 11=4-1 =16-5=13-3 =16-7=18 - 16=13 - 1 =18-7=19 - 17=14-1=10-7=14-12 =7 - 1=7-6=1-1=5-2=9-7=15-9=19 - 14=18-2 =12 - 12=12-9=17-15 =19-13 =16-8=15 - 1=2-2 =4-4=10-9=13-4=18-13 =12 - 10二1
20、8 - 12 =18-15 =12-4=14-6=15-8=14-3 =5-3 =19-1=15 - 15 =20 - 17=17-13 =13 - 10=19-2 =14-7=11 - 11=13-9=5 - 1=6-5 =3-2=14-2 =17 - 16=13 - 13 =16 - 16=6-3 =7-3 =12 - 1=10-6=19-4=18-8=20-1 =20-4=17-11=8-6二8-1 =19-5 =20-15 =7-2 =5-4=10-4=4-3 =6-2 =19-11 =15 - 13 =18-1 =20 - 16=18 - 10=9-1=18-6=7-7=10-5 =
21、11-9=11 - 1=14-9=20-6=13-7=17 - 10二19-6=17-9=18 - 18=8-3 =17-5 =6-1=12 - 8二18 - 14=15-6=20-7=14-4=20 - 13 =15 - 14=13-8=14 - 10二17-7=13-6=8-2=10-3 =6-4=4-2=17-6=15 - 5 =19-3 =18-4=11-4=20 - 10=20 - 19=19 - 19=17-8=16 -12=16 - 1=12 - 11 =12 - 3 =11 - 3二9-8=20 - 14=19 -10=19 - 18=2 - 1 =17 - 14=15-4=1
22、8 - 17=12-2 =6-6=13 - 5=13 - 11=13 -12=8-8=17-2 =13-2=15-7=18-9=18 - 11=3 - 1 二14 - 11=15 - 10二16-2 =15 - 1=2-2 =4-4=10-9=12 - 6=12 - 5=17 - 17=11-2=17-12 =11-7=19 - 15=17-4=3-3 =20-8=19 - 8二12-7=9-5二9-2 =10 - 10=14 - 13 =13 - 10=19-2=14-7=17 - 3 二16-3 =9-6=20 -18=7-4=20-5=9-4=17 - 1=20-9=16-15 =18
23、- 5=20-2 =19 - 16=14 - 14=10-2 =14-5 =11-6=8-5 =16-13 =19-9=7 - 5二5 - 5二19 - 12 = 20-11=11- 10=11 - 8二16-9=14-8=15 - 12 =20 - 12 =20-3 =18-3 =18-7=19 - 17=14-1=10-7=14-12 =13-4=18 - 13 =12 - 10=18 -12=18 -15=12-4=14 - 6=15-8=14 - 3 =5-3 =19-1=15-15 =20 - 17=17-13 =20 - 20=15-6=20 - 7=14-4=20-13 =11
24、- 11 = 13-9=5-1 =6 - 5 =3-2=14 - 2=17 - 16=13 - 13 =16 - 16=6-3 =7-3 =12 - 1=10 - 6=19-4=15-2=9 - 9 二20 - 10=20 -19=19 -19=16-11 =15-3 =19 - 7=9-3 =8 - 7=16-6=15 - 11 =4-1 =16 - 5 =13-3 =16 - 7=18 - 16=13 - 1=10 -1 =18-8=20-1=20-4=17-11 =8 - 6=错误率：7-1 =7-6=1 - 1=5-2=9 - 7=15-9=19 - 14=18-2=12 - 12=1
25、2-9=17-15 =19-13 =16-8=16-4=9-1 =18 - 6=7-7=10 - 5=11 - 9=15 - 14=13-8=14 - 10=17-7=13-6=8-2 =10-3 =6-4=4-2=17-6=15 - 5二19-3 =18-4=11-4=8-4=17-3 =16-3 =9-6=17-8=16 - 12=16-1=12 - 11=12 - 3二11 - 3 =9-8=20 - 14=19 - 10二19 - 18=2 - 1=17 - 14=15-4=18 - 17=11 - 5二10-8=19-9=7 - 5 =8-1=19 - 5 =20 - 15=7-2
26、=5-4=10-4=4-3 =6-2 =19 - 11=15 - 13 =18 - 1=20 - 16=18 - 10=16 - 10=12-2 =6-6=13 - 5 =13 - 11 =11 - 1=14-9=20-6=13-7=17 - 10二19-6=17-9=18 - 18=8-3 =17-5 =6-1 =12-8=18 - 14=16 - 14=12 - 6 二13 - 5二17 - 17=11-2 =7-4=20-5=9-4二17-1=20-9=16-15 =18-5=20-2 =19 - 16=14 - 14=10-2=14-5=11 - 6=8-5 =16-13 =16-11
27、=15-3 =19-7=19 - 12 =20 - 11=11 - 10=11-8=16-9=14-8=15 -12=20 - 12 =20-3 =18 - 3二18-7=19 - 17=14-1 =10-7=14-12 =7-1 =7 - 6二1 - 1二8-8=17-2 =13-2 =15-7=18-9=18 - 11 =3 - 1 二14 - 11=15 - 10=16-2 =15 - 1=2-2 =4-4=10-9=13-4=18 - 13=12 - 10二18 - 12 =19 - 15 =17-4=3 - 3 二20-8=19-8=12-7=9-5=9-2 =10 - 10二14-
28、13 =13 - 10=19-2 =14-7=11 - 11=13-9=5 - 1二6-5 =8-7=16 - 6=15 - 11=4-1二16-5=13-3 =16-7=18 - 16=13 - 1=10-1=18-8=20-1=20-4=17-11=8-6=8-1二19-5=20-15=9-7=15-9=19 - 14=18-2 =12 - 12=12-9=17 - 15 =19-13 =16-8=16-4=9-1 二18-6=7-7=10 - 5二11-9=11 - 1=14-9=20-6=12-4=14-6=15-8=14-3 =5-3 =19-1=15 - 15 =20 - 17=1
29、7 - 13 =20 - 20=15-6=20-7=14-4=20-13 =15 - 14=13-8=14 - 10二17-7=17 - 16=13 - 13 =16 - 16=6-3 =7-3 =12 - 1=10-6=19-4=15-2 =9-9=20 - 10=20 - 19=19 - 19=17-8=16 -12=16 - 1=12 -11=5-4=10-4=4-3二6-2 =19-11=15 - 13 =18 - 1=20 - 16=18 - 10=16 - 10=12-2=6-6=13 - 5=13 - 11=13 -12=8-8=17-2=13-2 =17 - 10二19-6=1
30、7-9=18 - 18=8-3 =17-5 =6-1=12-8=18 - 14=16 - 14=12-6=12 - 5 =17 - 17=11-2 =17 - 12 =11-7=19-15 =17-4=8-2=10-3 =6-4=4-2 =17-6=15 - 5 =19-3 =18-4=11-4=8-4=17-3 =16-3 =9-6=20 - 18=7-4=20-5=9-4=17-1 =11 - 3二9-8=20 - 14=19 - 10二19 - 18=2 - 1 =17 - 14=15-4=18 - 17=11 - 5二10-8=19-9=7 - 5 =5 - 5二19 - 12 =20
31、-11 =11 - 10=11-8=18-9=18-11=3-1二14 -11=15 - 10二16-2 =15 - 1=2-2 =4-4=10-9=13-4=18-13 =12 - 10=18 - 12 =18 - 15=12-4=14-6=15 - 8=20-8=19-8=12-7=9-5=9-2 =10 - 10=14-13 =13 - 10=19-2 =14-7=11 - 11 =13-9=5 - 1 =6-5 =3-2 =14-2 =17 - 16=13 - 13 =16-15=18-5=20-2=19 - 16 二14 - 14=10-2 =14-5 =11-6=8-5 =16-1
32、3 =16-11 =15 - 3二19-7=9-3 =8-7=16 - 6=15 - 11=4-1二15 - 12 =20 -12=20-3 =18 - 3二18-7=19 - 17=14-1=10-7=14 - 12 =7 - 1=7-6=1 - 1=5-2=9-7=15-9=19 - 14=18-2 =5-3 =19 - 1=15 - 15=20 - 17=17-13 =20 - 20=15-6=20-7=14-4=20-13 =15 - 14=13-8=14 - 10=17-7=13-6=8-2=10-3 =6-4=6-3 =7-3 =12 - 1=10-6=19-4=15-2=9-9=
33、20 - 10=20 - 19=19 - 19=17-8=16-12=16 - 1=12 - 11 =12 - 3二11 - 3二9-8=20 - 14=13-3 =16-7=18 - 16=13 - 1=10 - 1=18-8=20-1=20-4=17- 11 =8-6=8-1=19 - 5 =20 -15 =7-2 =5-4=10-4=4-3 =6-2 =12-9=17 - 15 =19-13 =16-8=16-4=9-1 =18-6=7-7=10-5 =11-9=11 - 1=14-9=20-6=13-7=17 - 10二19-6=17-9=18 - 18=9-4=17 - 1二20-9
34、=16 -15=18-5 =20-2=19 - 16=14 - 14=10-2 =14-5=11-6=8-5 =16-13 =16-11=15 - 3二19-7=9-3 =8-7=16 - 6二11 - 10=11-8=16-9=14-8=15 - 12 =20 - 12=20-3 =18 - 3二18-7=19 - 17=14-1=10-7=14 - 12 =7 - 1二7-6=1 - 1=5-2 =9-7=15-9=13-2 =15-7=18-9=18 - 11 =3 - 1二14 - 11 =15 - 10=16-2 =15 - 1=2-2=4-4=10-9=13-4=18-13 =12
35、 - 10 二18 - 12=18 - 15=12-4=14-6=3 - 3 二20-8=19-8=12-7=9 - 5 =9-2=10 - 10=14 - 13 =13 - 10=19-2 =14-7=11 - 11=13-9=5 - 1=6-5 =3-2=14-2 =17 - 16=17 - 6=15 - 5=19 - 3 二18-4=11-4=8-4=17 - 3 =16-3=9-6=20 -18=7-4=20 - 5 二9-4=17 - 1=20-9=16 -15=18 - 5=20-2=19 - 18=2 - 1=17 -14=15-4=18 - 17 =11 - 5=10 - 8二
36、19-9=7 - 5 =5-5 =19 - 12=20 -11=11-10=11 - 8=16-9=14 - 8=15 -12=20 -12 =15 -13=18 - 1=20 -16=18 -10=16 -10=12 - 2=6-6=13 - 5=13 -11=13 -12=8 - 8 二17-2=13 - 2 =15-7=18-9=18 - 11 二3 -1=14 - 11 =15 -10=17 - 5 =6-1=12-8=18 -14=16 -14=12 - 6=12 - 5 =17 - 17 =11 - 2=17 -12 =11-7=19 -15 =17-4=3 - 3 =20-8=1
37、9 - 8 二12-7=9-5 =9 - 2=14 - 14=10-2 =14-5 =11-6=8-5 =16-13 =16-11=15 - 3二19-7=9-3 =8-7二16 - 6=15 - 11=4-1=16-5=13-3 =16-7=18 - 16=18-3 =18-7=19 - 17=14-1=10-7=14 - 12 =7 - 1 二7-6=1 - 1=5-2 =9-7=15-9=19 - 14=18-2=12 - 12 =12-9=17 -15 =19 - 13 =16-2 =15 - 1=2-2 =4-4=10-9=13-4=18 - 13 =12 - 10=18 - 12 =18-15 =12-4=14-6=15-8=14-3 =5-3 =19-1=15 - 15 =20 - 17=14-13 =13 - 10二19-2 =14-7=11 - 11=13-9=5 - 1=6-5 =3-2 =14-2 =17 - 16=13 - 13 =16 - 16=6-3 =7-3 =12 - 1=10-6=10-1 =18-8=20-1=20-4=17-11=8-6=8-1=19 - 5=20 -15=7-2 =5-4=10-4=4-3 =6-2 =1