姓名:时间:成绩:
18- 5 = 17-11 = 13+ 6 = 17- 5=
16-10 = 5 - 4 = 9 - 4 = 16- 1=
7 +10 = 9 - 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 +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- 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- 5 = 7 - 3 = 12+ 4=
10+ 7 = 1 +12 = 11+ 1 = 17-10=
9 - 9 = 4 +12 = 11+ 2 = 13+ 2=
16- 1 = 19-13 = 4 - 3 = 1 +14=
15- 3 = 6 - 5 = 13+ 1 = 11+ 1=
19- 1 = 2 + 6 = 19-18 = 18-13 = 12+ 7 = 3 + 4 = 16-14 = 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 = 11+ 3 = 5 +10 = 12-10=
0 +11 = 5 +10 = 5 - 5 = 19-11=
17-13 = 2 + 2 = 3 +11 = 10+ 3=
17- 3 = 1 - 0 = 9 - 5 = 19- 8=
8 + 0 = 17- 1 = 13-10 = 17+ 0=
5 - 3 = 9 - 8 = 7 - 3 = 2 - 2=
14- 2 = 5 - 3 = 0 + 4 = 9 - 8=
17-14 = 16-14 = 3 +12 = 3 - 0=
19-15 = 18- 2 = 11+ 2 = 14-12=
1 + 3 = 5 +11 = 10+ 5 = 11- 1=
5 - 2 = 7 - 6 = 12+ 6 = 10+ 9=
14+ 5 = 1 + 3 = 2 +10 = 8 +10=
10+ 8 = 2 - 1 = 9 - 1 = 9 - 5=
1 + 8 = 12+ 6 = 9 - 3 = 8 - 2=
17-11 = 11-10 = 7 - 6 = 19- 3=
15-11 = 16-14 = 8 - 6 = 15- 2 = 16-13 = 3 +11= 2 +17 = 5 +14 = 14+ 4=
11+ 3 = 5 +12 = 16-12 = 7 + 2=
17- 4 = 7 +11 = 18- 7 =
20以内加减法练习
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 = 18-16 = 18- 6 = 9 - 1
6 - 3 = 13- 1 = 19-15 = 8 - 0
6 - 6 = 0 +19 = 9 - 2 = 3 - 3
12+ 3 = 2 +11 = 7 - 3 = 13- 2
8 - 0 = 1 + 5 = 15+ 3 = 18-15
2 + 4 = 19-17 = 3 + 6 = 2 - 1
17-10 = 1 +15 = 7 - 6 = 3 + 6
2 +14 = 5 +13 = 15+ 1 = 19- 7
17- 2 = 2 + 3 = 14+ 0 = 13+ 0
0 + 1 = 18-12 = 18- 8 = 0 + 1
12-11 = 4 +11 = 12+ 7 = 3 +13
14+ 5 = 19- 1 = 14+ 1 = 3 +12
12+ 4 = 17-11 = 5 + 3 = 17-11
6 +10 = 17-16 = 18- 1 = 2 + 3
6 +12 = 12-10 = 5 +10 = 3 + 6
17-14 = 11+ 1 = 19-17 = 19-17 = 13- 11 = 15-8 = 17 - 11 = 12+ 2= 12 +10 = 7 +10 = 15-10 = 18- 6
20以内加减法练习
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 +10 = 0 +11 = 4 - 0
4 - 3 = 0 + 5 = 9 - 0 = 19-18
17+ 2 = 16+ 1 = 12-10 = 10+ 8 = 18- 8 = 3 - 0 = 0 - 0 = 19- 1
11-10 = 12-10 = 7 - 3 = 12-11
15-12 = 15-11 = 6 +10 = 1 +13
4 + 3 = 3 +14 = 2 +13 = 18- 2
8 - 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
1 + 2 = 12+ 3 = 16- 1 = 5 +12= 15-11 = 19-18 = 11+ 6 = 11+ 2 =
20以内加减法练习
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 = 5 +14 = 3 + 0 = 1 +15
6 - 0 = 8 - 0 = 12+ 7 = 15-11 13+ 4 = 19- 8 = 13+ 5 = 4 +12=
18- 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
9 - 5 = 14-10 = 16- 6 = 13-10 = 3 +14= 19- 5 = 6 - 5 = 15- 5 =
6 - 1 = 15- 5 = 5 + 3 = 15+ 4
18- 2 = 19-13 = 11+ 5 = 5 + 3
19- 1 = 16-14 = 15- 4 = 19- 8
16-14 = 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
20以内加减法练习
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 = 15- 2 = 11+ 0 = 11 + 2=
1 +15 = 0 +11 = 0 + 9 = 17-10 =
1 + 8 = 15+ 0 = 5 + 0 = 14+ 4=
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 + 5 = 10+ 5 = 3 +11 = 15-14 =
17-12 = 12-12 = 6 +10 = 17-17=
4 - 1 = 5 - 2 = 2 + 5 = 10+ 8=
15- 3 = 1 +14 = 6 +12 = 2 - 1 =
18- 6 = 1 +10 = 15- 5 = 9 - 2 =
6 +13 = 1 +14 = 8 + 1 = 14+ 5 =
18- 1 = 3 +10 = 14+ 4 = 8 - 7=
12-11 = 17-16 = 10+ 9 = 3 + 4=
1 +13 = 12+ 2 = 10+ 3 = 12+ 4 =
3 +12 = 16+ 2 = 7 - 4 = 19-10 =
14-10 = 11+ 6 = 19-16 = 2 +12=
7 +11 = 10+ 6 = 16+ 3= 15-12 =
3 +12 = 17- 5 = 19- 3 = 11+ 8= 18- 3 = 19- 4= 14+ 3 = 3 +16 =
20以内加减法练习
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 = 2 +13 = 18+ 0 = 18- 3
8 + 0 = 1 - 0 = 19-19 = 6 - 1
6 - 3 = 11- 1 = 13-11 = 1 + 4
16- 2 = 14-10 = 14-13 = 11+ 2
11- 0 = 13-10 = 14- 2 = 16+ 2
10+ 6 = 14- 3 = 4 + 3 = 18-17
15-12 = 19-18 = 19-18 = 6 +12
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 = 2 + 2
1 +15 = 19-18 = 19-18 = 17- 1 13 +13 = 0 +10 = 11+ 0 = 8 - 6
5 +12 = 19-18 = 15-10 = 17- 1
1 +13 = 11+ 8 = 12+ 3 = 16- 1
17- 5 = 0 +18 = 18-14 = 17- 12 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 = 8 +11 = 5 + 3 = 17+ 1 14+ 2 = 3 + 4 = 14-12 = 18- 7 4 +13 = 2 + 7 = 15- 1 = 18-18 3 +16 = 11-10 = 2 - 2 = 4 + 3 =
16- 6 = 6 +10 = 17+ 2 = 8 + 1 =
10+ 3 = 1 +15 = 1 +12 = 13-11 =
17-15 = 14+ 1 = 17-16 = 16- 5 =
18-10 = 15-10 = 1 +18 = 10+ 5 = 16-15 = 16+ 2 = 10+ 3 = 3 +11 = 11-10 = 2 +12 = 11-10 = 1 +12 = 7 +10 = 12+ 2 = 16-11 = 7 - 7 = 5 +12 = 2 +16 = 14- 1 = 11+ 2 =
16- 3 = 12+ 1 =
20以内加减法练习
姓名:时间:成绩:
18-11 = 10+ 7 = 15-12 = 1 +16 =
1 +16 = 5 - 5 = 3 + 3 = 10+ 6 =
18-12 = 7 - 7 = 4 - 1 = 12- 1 =
0 + 1 = 7 - 0 = 1 +10 = 15- 5 =
2 + 3 = 19- 9 = 17- 4 = 11+ 2 =
4 - 4 = 16+ 1 = 6 - 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= 15-8=
15-9= 13-4= 12-7= 11-6= 13-5=
6+9= 8+4= 8+5= 9+11= 11-7=
11-9= 12-8= 16-7= 13-6= 15-5=
16-7= 13-7= 7+4= 8+3= 17-6=
10+6= 9+5= 14-7= 6+10= 8+5=
19-8= 8+5= 9+5= 8+6= 7+14=
8+2= 4+7= 3+9= 12-8= 5+8 =
16-9= 3+6= 13-7= 15-6= 12-5=
3+5= 13-6= 6+9= 9+5= 13-8=
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= 5+6=
13-9= 13-8= 10+4= 12-6= 14-5=
6+8= 16-8= 7+4= 5+5= 4+9=
14-6= 7+2= 17-10= 6+8= 9+6=
8+5= 11-3= 8+5= 7+9= 5+7=
12-8= 9+2= 15-7= 14-6= 11-5=
14-9= 15-8= 17-10= 12-3= 11-8=
11-3= 12-4= 9+8= 11+2= 14-10=
19-5= 19-6= 4+7= 19-8= 19-9=
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= 18-2= 18-3= 18-4=
3+16= 3+17= 4+4= 14+5= 14-6=
13-5= 13+6= 13-7= 13-8= 13-9=
4+7= 4+8= 4+9= 4+10= 4+11=
13-10= 12-1= 12-2= 12-4= 12-5=
4+12= 4+13= 4+14= 4+15= 4+16=
13-6= 18-9= 11-7= 6+9= ( )+5=12
17-9= 13-6= 14-5 = 15-6= 18-( )=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= 14-5=
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= 11-4=
11-3= 12-4= 13-4= 11-2= 14-10=
4+8= 5+7= 2+9= 7+5= 8+6=
14-6= 12-5= 11-5= 13-8 15-6=
7+7= 9+9= 9+6= 8+5= 8+9=
11-5= 12-6= 14-9= 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= 16-2= 16-3= 16-4=
1+11= 1+12= 1+13= 1+14= 1+15=
20-10= 19-1= 19-2= 19-3= 19-4=
20以内口算
姓名 我只用了分钟
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=
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=
20以内口算
姓名 我只用了分钟
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=
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=
20以内口算
姓名 我只用了分钟
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=
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= 下载本文