(word完整版)小学一年级10到20加减法练习题,口算

玛丽莲梦兔
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2020年10月04日 10:20
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2020年10月4日发(作者:胥伦)



20以内加减法练习
姓名:时间:成绩:
18- 5 = 17-11 = 13+ 6 = 17- 5=
16-10 = 5 - 4 = 9 - 4 = 16- 1=
7 +10 =
4 - 0 =
10-10 =
0 +16 =
13+ 4 =
3 +12 =
2 +14 =
14- 3 =
12- 0 =
3 + 5 =
11+ 1 =
3 + 4 =
12+ 5 =
15- 3 =
12+ 3 =
2 + 6 =
10+ 7 =
9 - 9 =
16- 1 =
15- 3 =
19- 1 =
12+ 7 =
9 - 0 =
18-12 =
9 - 0 =
2 + 2 =
6 - 5 =
0 + 0 =
11-10 =
11- 1 =
11+ 0 =
10+ 7 =
17- 1 =
1 +14 =
14+ 1 =
9 - 8 =
17-12 =
19- 5 =
1 +12 =
4 +12 =
19-13 =
6 - 5 =
2 + 6 =
3 + 4 =
18+ 1 =
17-17 =
15- 0 =
13-12 =
15-13 =
0 +17 =
11+ 4 =
3 - 1 =
13-10 =
0 + 1 =
16+ 2 =
14+ 2 =
10+ 8 =
11+ 5 =
1 +17 =
7 - 3 =
11+ 1 =
11+ 2 =
4 - 3 =
13+ 1 =
19-18 =
16-14 =
6 +10=
10+ 2=
4 + 1=
4 +12=
14+ 1=
7 - 2=
10+ 4=
13- 2=
15+ 4=
19-14=
16- 4=
4 +12=
17-15=
16+ 1=
11+ 5=
12+ 4=
17-10=
13+ 2=
1 +14=
11+ 1=
18-13 =
18- 2 =






















20以内加减法练习
姓名:时间:成绩:
2 - 2 = 7 - 3 = 6 - 0 = 7 +11=
13- 3 = 8 - 6 = 0 +18 = 10+ 3=
18-11 = 17+ 0 = 2 - 2 = 1 + 7=
6 - 3 = 13+ 1 = 5 +14 = 11+ 0=
7 - 1 = 0 +10 = 6 - 1 = 2 + 6=
11-10 =
0 +11 =
17-13 =
17- 3 =
8 + 0 =
5 - 3 =
14- 2 =
17-14 =
19-15 =
1 + 3 =
5 - 2 =
14+ 5 =
10+ 8 =
1 + 8 =
17-11 =
15-11 =
16-13 =
11+ 3 =
17- 4 =
11+ 3 = 5 +10 =
5 +10 = 5 - 5 =
2 + 2 = 3 +11 =
1 - 0 = 9 - 5 =
17- 1 = 13-10 =
9 - 8 = 7 - 3 =
5 - 3 = 0 + 4 =
16-14 = 3 +12 =
18- 2 = 11+ 2 =
5 +11 = 10+ 5 =
7 - 6 = 12+ 6 =
1 + 3 = 2 +10 =
2 - 1 = 9 - 1 =
12+ 6 = 9 - 3 =
11-10 = 7 - 6 =
16-14 = 8 - 6 =
3 +11= 2 +17 = 5 +14 =
5 +12 = 16-12 =
7 +11 = 18- 7 =
20以内加减法练习
12-10=
19-11=
10+ 3=
19- 8=
17+ 0=
2 - 2=
9 - 8=
3 - 0=
14-12=
11- 1=
10+ 9=
8 +10=
9 - 5=
8 - 2=
19- 3=
15- 2 =
14+ 4=
7 + 2=




















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

20以内加减法练习
9 - 1
8 - 0
3 - 3
13- 2
18-15
2 - 1
3 + 6
19- 7
13+ 0
0 + 1
3 +13
3 +12
17-11
2 + 3
3 + 6
19-17 =
12+ 2=
18- 6


















姓名:时间:成绩:
18- 3 = 16-14= 1 +18 = 13- 6 =
15- 3 = 19-19 5 + 2 = 17- 6 =
17+ 0 = 16- 4 = 2 - 2 = 12-12
19- 4 = 11+ 2 = 3 +15 = 3 - 0
0 + 9 =
4 - 3 =
17+ 2 =
18- 8 =
11-10 =
15-12 =
4 + 3 =
8 - 4 =
10+ 2 =
13- 3 =
15- 1 =
16+ 2 =
1 + 2 =
17-16 =
18-17 =
6 - 5 =
16+ 1 =
7 - 1 =
1 + 2 =
15-11 =
4 +10 = 0 +11 =
0 + 5 = 9 - 0 =
16+ 1 = 12-10 =
3 - 0 = 0 - 0 =
12-10 = 7 - 3 =
15-11 = 6 +10 =
3 +14 = 2 +13 =
6 - 2 = 9 - 1 =
7 - 4 = 15-11 =
1 +12 = 4 +15 =
16- 2 = 10+ 3 =
10+ 7 = 2 + 5 =
14+ 3 = 11+ 8 =
1 + 2 = 5 +14 =
12+ 3 = 17-15 =
6 + 2 = 16+ 3 =
4 +15 = 2 + 3 =
15- 1 = 17- 6 =
12+ 3 = 16- 1 =
19-18 = 11+ 6 =
20以内加减法练习
4 - 0
19-18
+ 8 =
19- 1
12-11
1 +13
18- 2
2 +14
8 +10
2 + 4
1 +14
2 + 6
1 + 1
12+ 4
6 - 1
1 +14
18-13
3 +15
5 +12=
11+ 2 =


10

















姓名:时间:成绩:
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 =
6 - 0 =
13+ 4 =
18- 6 =
9 - 0 =
14- 2 =
0 +17 =
19-19 =
16- 3 =
12+ 5 =
9 - 5 =
3 +14=
6 - 1 =
18- 2 =
19- 1 =
16-14 =
17-14 =
1 +14 =
2 + 6 =

5 +14 = 3 + 0 =
8 - 0 = 12+ 7 =
19- 8 = 13+ 5 =
18- 4 = 1 +16 =
8 - 0 = 9 - 2 =
18- 6 = 19-14 =
10+ 6 = 5 + 4 =
1 +14 = 3 +13 =
18- 4 = 7 +11 =
10+ 3 = 5 - 1 =
14-10 = 16- 6 =
19- 5 = 6 - 5 =
15- 5 = 5 + 3 =
19-13 = 11+ 5 =
16-14 = 15- 4 =
2 +12 = 11+ 3 =
17+ 2 = 4 +14 =
16-11 = 12-10 =
7 + 2 = 14-10 =
20以内加减法练习
1 +15
15-11
4 +12=
1 +13
2 +10
12- 2
18- 6
17- 5
16-13
5 + 1
13-10 =
15- 5 =
15+ 4
5 + 3
19- 8
19- 5
13- 3
19- 8
9 - 6




















姓名:时间:成绩:
10+ 6 = 0 +16 = 16- 2 = 19- 8=
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 =
1 +15 =
1 + 8 =
3 + 2 =
13-12 =
18- 4 =
2 + 5 =
17-12 =
4 - 1 =
15- 3 =
18- 6 =
6 +13 =
18- 1 =
12-11 =
1 +13 =
3 +12 =
14-10 =
7 +11 =
3 +12 =
18- 3 =

15- 2 = 11+ 0 =
0 +11 = 0 + 9 =
15+ 0 = 5 + 0 =
6 - 1 = 5 + 0 =
1 + 3 = 9 + 0 =
13-11 = 9 - 7 =
10+ 5 = 3 +11 =
12-12 = 6 +10 =
5 - 2 = 2 + 5 =
1 +14 = 6 +12 =
1 +10 = 15- 5 =
1 +14 = 8 + 1 =
3 +10 = 14+ 4 =
17-16 = 10+ 9 =
12+ 2 = 10+ 3 =
16+ 2 = 7 - 4 =
11+ 6 = 19-16 =
10+ 6 = 16+ 3=
17- 5 = 19- 3 =
19- 4= 14+ 3 =
20以内加减法练习
11 + 2=
17-10 =
14+ 4=
16- 1 =
8 - 7 =
18- 4 =
15-14 =
17-17=
10+ 8=
2 - 1 =
9 - 2 =
14+ 5 =
8 - 7=
3 + 4=
12+ 4 =
19-10 =
2 +12=
15-12 =
11+ 8=
3 +16 =





















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








13












4 +12 = 9 - 5 = 17+ 2 = 3 +13 =
11+ 5 = 9 +10 = 14-11 = 3 +10 =
11+ 7 = 16- 0 = 5 + 3 = 0 +11
1 + 8 = 12- 2 = 15- 1 = 6 - 5
19- 4 = 19-15 = 9 - 8 = 3 + 6
18- 5 =
14+ 2 =
4 +13 =
3 +16 =
16- 6 =
10+ 3 =
17-15 =
18-10 =
16-15 =
11-10 =
7 +10 =
5 +12 =
16- 3 =
18-11 =
1 +16 =
18-12 =
0 + 1 =
2 + 3 =
4 - 4 =
8 +11 = 5 + 3 =
3 + 4 = 14-12 =
2 + 7 = 15- 1 =
11-10 = 2 - 2 =
6 +10 = 17+ 2 =
1 +15 = 1 +12 =
14+ 1 = 17-16 =
15-10 = 1 +18 =
16+ 2 = 10+ 3 =
2 +12 = 11-10 =
12+ 2 = 16-11 =
2 +16 = 14- 1 =
12+ 1 =
20以内加减法练习
姓名:时间:成绩:
10+ 7 = 15-12 =
5 - 5 = 3 + 3 =
7 - 7 = 4 - 1 =
7 - 0 = 1 +10 =
19- 9 = 17- 4 =
16+ 1 = 6 - 2 =
17+ 1
18- 7
18-18
4 + 3 =
8 + 1 =
13-11 =
16- 5 =
10+ 5 =
3 +11 =
1 +12 =
7 - 7 =
11+ 2 =
1 +16 =
10+ 6 =
12- 1 =
15- 5 =
11+ 2 =
16- 1 =



















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


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



12-9= 12+8= 11-9= 4+8= 5+( )=14
16-4= 7+9= 16-7= 2+17= 11-( )=5
12-8= 17-8= 18-1= 17-8= 17-( )=10
15-7= 10-4 = 14+6 = 16-9= 14+( )=18


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




20以内口算


姓名 我只用了分钟
14-6=
5 +7= 4+7= 7+9= 15
13-4=
6+9= 8+4=
12-8=
16-7=
10+6=
19-8=
8+2= 4+7=
16-9=
3+5=
12-7=

16-7=

9+5=

8+5=
7+14=


3+6= 13-7=
13-6=

-8=
15-9=
11-6=
8+5=
11-7=
11-9=
13-6=
5=
7+4=
17-6=
14-7=
8+5=
9+5=
3+9=
5+8 =

12-5=
6+9=
13-8=
13-5=
9+11=
15-
8+3=
6+10=
8+6=
12-8=
15-6=
9+5=



13-7=









4+6= 9+9= 8+7= 19-7=
6+3=
14-9= 15-8= 6+5= 12-3=
11-4=
12-9= 9-3= 8+3= 5+7=
13-9=
6+8=
14-6=
8+5=
12-8=
14-9=
11-3=
19-5=

13-8=
14-5=
16-8=

7+2=

11-3=

9+2= 15-7=

15-8=

12-4= 9+8=

19-6=

5+6=
10+4=

7+4=
4+9=
17-10=
9+6=
8+5=
5+7=

17-10=
11-8=

4+7=
19-9=
12-6=
5+5=
6+8=
7+9=

12-3=

19-8=




14-6=
11-5=


11+2=
14-10=


20以内口算
姓名 我只用了分钟
18-10= 17-1= 17-2= 17-3=
17-4=
2+17= 2+18= 3+3= 13+4=
3+5=
19-10= 18-1=
18-4=
3+16= 3+17=
14-6=
13-5= 13+6=
13-9=
4+7= 4+8=
10= 4+11=
13-10= 12-1=
12-5=
4+12= 4+13=
4+16=
13-6= 18-9=
( )+5=12
17-9= 13-6=
18-( )=9

4+4=
13-7=
4+9=

4+14=
11-7=
14-5 =
18-3=
14+5=
13-8=
4+
12-4=
4+15=

15-6=
18-2=



12-2=

6+9=


12-9= 12+8= 11-9= 4+8=
5+( )=14
16-4= 7+9= 16-7= 2+
17= 11-( )=5
17-8= 18-1= 17-8= 17-=1015-7=
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+1
= 15-8= 16+3= 5+8= (
)+5=18 14-8= 15-7= 15+6= 12-8=
( )-8=14 18-9= 19-8= 17-9=
9+2= 16-8=

20以内口算
姓名 我只用了分钟成好了
9+4= 7+8= 7+7= 6+
5= 5+7=
12-9= 16-8= 15-7= 14-
6= 11-5=
9+6= 8+8= 7+6= 6
+8= 5+8=


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
















4+7= 6+6= 8+8= 9
+3= 7+7=
14-8= 15-6= 16-9= 17
-8= 18-9=
9+9= 7+5= 8+6= 5+
9=
17-10=
-3=
1+11=
14=
20-10=
-3=
11-3= 15-3= 18-5= 14-8= 15-8=
10-5= 11-7= 12-7= 11-2= 10-2=
12-8= 13-7= 5+7= 10-4= 13-5=
13-8= 8+8= 10-9= 18-8= 14-6=
10-9= 15-7= 11-4= 13-7= 9+3=
11-8= 3+8= 10-3= 14-5= 18-9=
12-6= 12+2 = 13-2= 13-8= 14-9=
11-8= 12-9= 10-5= 10-9= 15-7=
13-8=
16-1= 16-2=
16-4=
1+12= 1+13=
1+15=
19-1= 19-2=
19-4=
20以内口算
姓名 我只用了分钟
16
1+
19







12-6= 12-7= 11-3= 15-6= 14-6=
14-8= 14-6= 11-8= 10-5= 8+3=
15-7= 2+9= 10-2= 11-3= 9+8=
11-7= 7+6= 15-8= 10-5= 15-3=
12-7= 11-2= 12+5= 12-8= 15+4=
13-7= 17-9= 9+3= 18-9= 8+6=
13-8= 12-8= 12-5= 4+8= 11-5=
11-4= 5+9= 16-9= 16-8= 10-4=
13-6= 11-6= 10-6= 5+6= 13-4=
8+6= 17-8= 14-5= 8+5= 13-9=
11-9= 15-4= 10-6= 13-4= 14-7=
15-6= 16-9= 19-6= 17-5= 9+8=
10-9= 18-6= 2+9= 12-7= 12-5=
17-9= 13-4= 16-8= 7+8= 10-6=
11-5= 10-4= 15+4= 19-6= 11-5=
13-6= 11-6= 10-9= 11-8= 12-3=
11-9= 10-7= 13-2= 12+8= 7+6=
16-8= 10-5= 19-6= 17-8= 11+8=
12-4= 12-6= 13-5= 8+3= 12-5=
15-9= 9+6= 11-5= 18-9= 7+9=
20以内口算
姓名 我只用了分钟


15-3= 10-4= 13-5= 11-7= 10-9=
17-9= 2+9= 18-3= 12-6= 17-10=
13-4= 15-7= 10-6= 13-11= 16-9=
11-4= 18-15= 12-5= 10-5= 19-12=
10-8= 12-3= 10-8= 18-9= 10-8=
8+9= 15-8= 15+4= 10-6= 17-8=
11-7= 12-3= 12-6= 12-4= 12-5=
11+7= 14-9= 18-9= 19-4= 10-5=
18-9= 14-9= 15-8= 12-3= 12-5=
11-7= 16-9= 17-8= 11-6= 11-6=
13-4= 17-8= 18-9= 16-9= 14-9=
13-4= 15-7= 10-6= 10-5= 16-9=
14-5= 14-5= 12-5= 11-4= 15-9=
11-7= 10-5= 18-9= 13-7= 14-9=
15-8= 12-1= 12-3= 12-5= 11-7=
10-9= 16-10= 17-8= 10-1= 14-6=
11-6= 16-4= 16-7= 12+3= 13-6=
17-8= 18-9= 14-5= 17-5= 14-9=
11-9= 13-4= 15-7= 10-6= 3+8=
16-9= 11-4= 12-8= 11-9= 11-5=
20以内口算
姓名 我只用了分钟


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

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