套20以内加减法口算练习题
解放军外语学院-保定市财政局会计服务中心
10+8= 10+2= 13+2= 8+2+3=
8+10= 17-7= 19-3= 9+1+4=
18-8= 10+8= 3+11= 7+3+5=
18-10=
3+10= 16-4= 7+4+6=
10+1=
10+2= 19-4= 7+8
+3=
1+10=
=
11-1=
=
11-10=
=
6+10=
=
16-6=
16-10=
10+3=
-3=
3+10= 5
13-3= 16
13-10=
10+5=
10-4=
10+10= 19-5=
6+4+7
14-4= 15-3= 8+2+5
18-8= 10+4= 5+4+6
6+10= 13-3=
7+2+3
10+9= 14-1= 3+4+10=
8+10=
10+2= 11-1-5=
13-3= 13-3=
17-7
+10= 3+15= 19-9+1=
-10= 18-8=
15-5-7=
-10= 5+5= 13-3-4=
13-10= 4+6= 18-
11
5+10= 18-10= 20-20=
17-10-7
=
10+8= 10-10= 12+4=
14-10+5=
3+10= 10+9= 8-8=
16-10+3=
11-1= 10-5= 10+0=
20
=
9+1= 8+7= 8+4= 9+7=
8+2= 7+9= 8+5= 6+6=
8+3=
7+5= 9+6= 4+9=
2+9= 8+6= 6+8=
6+5= 7
19-9= 8+8= 7+9= 5+8=
8
9+3= 7+4= 8+10= 5+7= 4
8+4=
8+5= 7+4= 8+7= 8
5+9= 7+7= 5+7=
4+8= 7
8+6= 6+5= 9+2=
=
3+9=
4+9= 1+9= 7+8=
10=
5+9=
5+9= 7+3= 9+8=
=
3+8=
6+9= 6+7= 9+2=
6+4=
-10-7
9+7=
6+5=
2+8=
+7=
+8=
+8=
+6=
+6=
8+6
7+
2+8
10-9=
7+9= 5+6= 8+3=
2+10=
7+2=
8+9= 8-5= 6+7=
9
= 6+9=
9+0= 10-7= 8+4=
6
= 6+8=
5+8= 6+7=
1+9= 10
= 5+10=
8+9= 2+9=
10-5= 6+8=
13-3=
9+9=
9+4= 9+5= 9+3
= 3+8=
9+3=
5+9= 8+2= 7
= 6+7=
3+8=
9+5= 9+3= 8+
3= 5-4=
8+9= 9+8= 7+6=
7+5=
6+2+7=
10+8= 8+5= 9+6= 6+9=
4+5+2=
5+5= 9+5= 7+8=
9+5= 3+5+7=
4+6= 5+9=
6+7=
7+7
+4
+4
+3
+8
=
4+4+6=
9+4= 8+4= 9+7=
9
4= 4+3+2=
7+4= 6+5=
8+6=
7+8= 4+6+5 =
+
8+4=
+6=
10-2=
=
2+9=
=
7+5=
9=
18-2=
=
10+5=
=
9+6=
=
8+4= 7
=
6
9+4=
=
6+6= 6+8=
7+2+4=
7+7= 8+5= 8
2+6+5=
9+7= 5+8=
7+1+7=
8+8=
8+4=
6+3+4=
9+2= 4+8=
8
6+1+5=
5+7= 9-4=
5+2+4=
+5= 7+6=
3+5+9=
+9= 6+7=
+4+1=
8+10=
7+5=
3+6+5=
9
+3
7+4
9+
+4
7+6
9+4
6+8
7+9
9
8+7= 6+10=
5+7= 9+8
= 7+2+6=
9+2=
8+6= 4+7=
9+3= 4+4+9=
7+5= 19-7= 7+4= 8+4
=
7+9=
=
8+5=
=
8+2+4=
7+3+2=
8+2+6=
7+3+4=
9+1+8=
8+2+5=
=
5+4+9=
=
5+2+2=
=
3+6+4=
5+2+7=
9+1+9=
7+3=
9+3=
8+2+2=
2+8= 6+6=
7+3+1=
-2+6= 3+6+9=
4+4-2=
2+6+5=
6+2+7= 7+2-5=
6+3+7=
9-2+7= 3
+4+7= 8-2+8= 2
4+5+8=
9-4+7=
1+0+7= 8-2+7=
9-6-1=
9-4+7=
+4+6= 6+2+9= 7
5+1+7= 8-2+3=
8+3
+6
4+5+8=
2+3+4=
6+3+8=
+3+2=
+2+4=
4+8+7
10+2+7
12+6-5
-7+5=
+2+7
6
8
5
5
8
=
7-3+6= 2+3+9= 9-4+6=
8-
3+7=
7-2+7= 7+2+6= 4+3+5=
5+
2+3=
4+2-3=
2+2=
6+3+4=
1=
4+2+5=
+5=
7+2+7=
0+7=
8+1+2=
5+5=
1+8+5=
3+4=
6+3+9=
2-6=
10-1+2=
6=
9+2= 3+8=
12-4= 6+5=
9+1+5=
7+3+2=
10+8-4=
7-2+9=
6+2+7=
8+2+7=
6-3+9=
5+1+7=
11-5=
16-8=
13-5= 3+9=
6+2-3=
3+9+6=
10-5+4=
3+4+6=
9-6+4=
4+5+8=
7+5-7=
10-4-0=
6+
3+3+
+3
3-
5-
7-
6+
8-7+
2
4+7= 9+9= 18-9=
15-4=
17-7= 5+7= 7+7= 11-2=
11-3= 15-7= 12-6= 4+8=
6+8=
14-8= 9+6= 12+3=
11-4= 5+8=
2+9= 16-8=
15-8= 6+10=
9+8=
3+9=
8+7= 16-7=
13-7= 14-9=
15-7= 8+9=
7+8= 8+3=
9+4=
13-9=
9+6= 8+5=
8+6= 10+5=
18-8= 14-9=
3+9= 11-7=
11-3=
5+6=
11-2= 16-9=
15-7=
16-7=
15-8=
8+5= 10+3=
7+8= 13-8=
9+4= 5+8=
15-3=
15-6=
5+6=
9+5=
15-9=
7+5=
7+6=
16-8=
9+9=
18-9=
14-2=
15-8=
4+8=
13-9=
9+3=
9+5=
17-8=
6+7=
14-9=
19-9=
12-8=
10+6=
17-8=
12-9=
14-7=
8+8=
6+7=
6+6=
16-8=
11-7=
14-7=
16-9=
9+6=
7+4=
7+4=
13-7= 12-8=
8+6= 14-8= 17-7= 12-3=
15-8= 13-4= 18-4= 12+3=
16-8= 6+6= 15-9= 7+5=
6+5=
12-4= 6+7= 16-8=
15-6= 12-6=
14-5=
18-9=
9+3=
12-5= 4+9=
3+8= 17-7= 12-10=
7+6=
10+6= 16-7= 9+6=
8+7=
4+13= 11-1=
11-2= 12-7= 17-9=
5+6= 9+8= 15-9=
6+8= 13+6=
8+4=
8+8= 7+9= 10+2=
6+5=
4+7= 13-8=
14-6= 3+9= 12-8=
18- 5 = 17-11 = 13
16-10 =
5 - 4 =
7 +10 = 9 - 0 =
4 - 0 =
18-12 =
10-10 = 9 - 0 =
0 +16 =
2 + 2 = 13
13+ 4 = 6 - 5 =
+
6 = 17
- 4 =
+ 1 =
-17 =
- 0
=
-12 =
-13 =
- 5 =
- 1 =
+10
=
+ 2 =
+ 1 =
+12 =
+ 1 =
6+7=
8+5=
13-4=
6+6=
7+7=
16-2=
11-6=
11-9=
15-7=
9 16
18 6
17 10
15 4
4
15 14
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 =
=
3 + 4 =
12+ 5 =
15- 3 =
12+
3 =
2 + 6 =
10+ 7 =
9 - 9 =
16- 1
=
15- 3 =
19- 1 =
2 + 6 =
3 + 4 =
2 - 2 =
13- 3 =
18-11 =
6 - 3
=
- 1
+14 =
+ 1 =
- 8 =
-12 =
-
5 =
+12 =
+12 =
-13 =
- 5 =
+ 6 =
-13 =
-14 =
- 3 =
- 6 =
+ 0 =
+ 1 =
16+ 2 = 16- 4
14+ 2 = 4 +12 =
10+ 8 = 17-15 =
11+ 5 = 16+ 1 =
1 +17 =
11+ 5 =
7 - 3 = 12+ 4 =
11+
1 = 17-10 =
11+ 2 = 13+ 2 =
- 3 = 1 +14 =
+ 1 = 11+ 1 =
-18 = 2 +11 =
+ 7 = 3 + 1 =
18- 2 = 5 + 4=
- 0 = 7 +11 =
+18 = 10+ 3 =
- 2 = 1 + 7 =
+14 = 11+ 0 =
17=
1
14
9
17
19
1
4
19 4
6 13
2 19
18 12
16
7 6
8 0
17 2
13 5
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
5 - 3 = 9
14- 2 = 5
17-14 =
19-15 = 18
1
+ 3 =
5 - 2 =
14+ 5 = 1
10+ 8 =
2
1 + 8 = 12
17-11 =
=
15-11 =
8 - 6 = 15
8 - 7 = 2
11+ 3 =
17- 4 = 7
19- 5 =
- 1
= 13
- 8 = 7
- 3 = 0
-14 =
3
- 2 = 11
+11 = 10
- 6 =
12
+ 3 = 2
- 1 = 9
+ 6 = 9
11-10 =
- 4 =
- 2 = 16
+17 =
5
5 +12 =
+11 = 18
+ 1 = 2
-10 = 17+ 0 =
- 3 = 2 - 2 =
+
4 = 9 - 8 =
+12 = 3 - 0 =
+ 2 =
14-12 =
+ 5 = 11- 1 =
+ 6 = 10+ 9
=
+10 = 8 +10 =
- 1 = 9 - 5 =
- 3 = 8 - 2 =
7 - 6 = 19- 3
16-14 = 5 - 2 =
-13 = 3 +11 =
+14 = 14+ 4 =
16-12 = 7 + 2 =
- 7 = 4 + 5 =
+15 = 19- 5 =
16
5
7
7
10
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 =
6 - 6 = 0
12+ 3 =
2
8 - 0 = 1
2 + 4 =
17-10 =
1
2 +14 = 5
17- 2 = 2
0 + 1
= 18
12-11 =
14+ 5 = 19
12+ 4
= 17
6 +10 = 17
6 +12 = 12
17-14 = 11
5 - 3 = 19
4 - 3 =
3
13- 1 = 15
- 1 = 19
+19 =
9
+11 = 7
+ 5 = 15
-17 = 3
+15 = 7
+13 = 15
+ 3 =
14
-12 = 18
+11 =
- 1 = 14
-11
= 5
-16 = 18
-10 = 5
+ 1 =
19
-19 = 4
+ 1 = 4
- 3 = 7
-15 = 8
- 2 = 3
- 3 =
13
+ 3 = 18
+ 6 = 2
- 6 = 3
+ 1 = 19
+ 0 = 13
- 8 = 0
12+ 7 =
+ 1 = 3
+ 3 =
17
- 1 = 2
+10 = 3
-17 = 4
+ 3 = 7
- 2 = 1
- 1 =
12
- 0 =
- 3 =
- 2 =
-15 =
- 1
=
+ 6 =
- 7 =
+ 0 =
+ 1 =
+13
=
+12 =
-11 =
+ 3 =
+ 6 =
+ 5
=
+ 1 =
+ 7 =
+ 2 =
13
19
4 3
1 +10 = 7 +10
= 15-10 = 18- 6 =
1 + 7 = 3 - 2 =
18- 3 = 16-14 =
1 +18 = 13- 0 =
15- 0 = 19-19 =
17+ 0 = 16- 4 = 2
- 2 = 12-12 =
19- 4 = 11+ 2 = 3
+15 = 3 - 0 =
0 + 9 =
4 - 3 =
17+
2 =
1 + 7 =
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 =
+10 =
0
+ 5 = 9
+ 1 = 12
+ 8 = 5
- 0 = 0
-10 =
-11 = 6
+14 =
2
- 2 = 9
- 4 = 15
+12 = 4
- 2 = 10
+ 7 = 2
+ 3 =
11
+ 2 = 5
+ 3 = 17
+ 2 =
16
+15 = 2
+11 = 4
- 0 =
19
-10 = 9
+ 2 = 17
- 0 =
19
- 3 =
+10 = 1
+13 = 18
- 1
= 2
-11 = 8
+15 = 2
+ 3 =
1
+ 5 = 2
+ 8 = 1
+14 =
12
-15 = 6
+ 3 = 1
+ 3 =
18
- 0 =
-18 =
- 1 =
- 6 =
- 1
=
-11 =
+13 =
- 2 =
+14 =
+10 =
+ 4 =
+14 =
+ 6 =
+ 1 =
+ 4 =
- 1 =
+14 =
-13 =
4
0
16
10
3
12 7
12
15
3
6
7
1
16
10
14
1
12
6
4
7 - 1 = 15- 1
= 17- 6 = 3 +15 =
1 + 2 = 12+ 3 =
16- 1 = 5 +12 =
15-11 = 19-18 =
11+ 6 = 11+ 2 =
19+ 0 = 1 +18 = 7
- 1 = 1 +16 =
4 + 2 = 16-15 = 1 -
1 = 17-16 =
7 + 1 =
10+10 =
2 +10
=
15-13 =
6 - 0 =
13+ 4 =
18- 6 =
9 - 0 =
14- 2 =
0 +17 =
19-19 =
16- 3 =
12+ 5 =
6 + 1 =
14-10 =
6 - 1 =
18- 2 =
19- 1 =
5 - 2
= 2
6 - 1 = 1
0 + 4 =
18
5 +14 = 3
8 - 0 = 12
0 + 0 = 19
18- 4 = 1
8 - 0
= 9
18- 6 = 19
10+ 6 =
5
1 +14 = 3
18- 4 = 7
10+ 3 = 5
9 - 5 = 4
16- 6
= 13
15- 5 = 5
19-13 =
11
16-14 = 15
+ 4 = 19
+ 0 =
1
-15 = 12
+ 0 = 1
+ 7 =
15
- 8 = 13
+16 = 1
- 2 = 2
-14 = 12
+ 4 = 18
+13 =
17
+11 = 16
- 1 = 5
+ 1 = 9
-10 = 3
+ 3 = 15
+ 5 = 5
- 4 = 19
-17 =
+11 =
- 1 =
+15 =
-11 =
+ 5 =
+13 =
+10 =
- 2 =
- 6 =
- 5 =
-13 =
+ 1 =
- 9 =
+14 =
+ 4 =
+ 3 =
- 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 =
19- 5 = 6 - 5 = 15- 5 = 4 +12 =
10+ 6 =
2 +15 =
2 +17 =
15-15 =
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 =
0 +16 =
2
+12 =
10-10 =
12- 1 =
15-
2 =
0 +11 =
15+ 0 =
6 - 1
=
1 + 3 =
13-11 =
10+ 5 =
12-12 =
5 - 2 =
1 +14 =
1 +10 =
1 +14 =
3 +10 =
17-16 =
- 2 = 19
- 2 =
18
- 7 = 14
+11 = 7
+ 0 = 1
+ 9 = 17
+ 0 = 14
+ 0 =
16
+ 0 = 8
- 7 = 18
+11 =
15
+10 = 17
+ 5 = 10
+12 = 2
- 5 = 9
+ 1 = 14
+ 4 = 8
+ 9 =
- 1 =
-16 =
-13 =
+11 =
+ 2 =
-10 =
+ 0 =
- 1 =
- 7 =
- 4 =
-14 =
-17 =
+ 8 =
- 1 =
- 2 =
+ 5 =
- 7 =
+ 4 =
16
16
19
0
11
0
5
5
9
9
3
6
2
6
15
8
14
10 3
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 = 2 + 4 = 16+ 3 =
3 +12 =
17- 5 = 19- 3 = 11+ 8 =
1 + 4 =
14+ 3 =
4 + 4 =
14+ 3 =
12+ 7 =
15-14 =
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- 3 = 1
3 +16 =
15
18- 1 = 8
5 + 3 = 10
10+ 3 = 16
14- 2 = 9
2 +13
= 18
1 - 0 = 19
11- 1 =
13
14-10 = 14
13-10 =
14- 3 = 4
19-18 = 19
17- 3
= 7
13-10 =
12- 2 =
17
13+ 4 = 5
9 - 1 = 2
+ 7 = 19
-12 = 4
- 8 =
15
+ 7 = 17
- 0 = 3
+10 =
15
+ 0 = 18
-19 = 6
-11 = 1
-13 = 11
- 2 =
+ 3 = 18
-18
= 6
- 3 = 2
+10 =
- 6 = 1
+ 2 = 19
+ 1 = 11
- 4 =
- 3
=
+ 2 =
- 3 =
+16 =
-12 =
- 3
=
- 1 =
+ 4 =
+ 2 =
+ 2 =
-17
=
+12 =
+11 =
+ 5 =
+ 2 =
- 5
=
+ 4 =
14 16
2 0
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 =
3 - 0 =
3 +13 =
5 +12 =
1 +13 =
17- 5 =
8 - 7 =
8 + 0 =
6 - 1 =
5 - 0 =
9 +10 =
11+ 7 =
1 + 8 =
19- 4 =
18- 5 =
14+ 2 =
4 +13 =
3 +16 =
16- 6 =
7 - 0 = 7
0 +10 = 11
19-18 = 15
11+ 8
= 12
0 +18 = 18
13+ 0 =
2
3 + 6 = 4
2 + 3 = 17
3 - 0 = 11
14-11 = 8
16- 0
=
12- 2 = 15
19-15 = 9
8 +11 = 5
3 + 4 = 14
2 + 7
= 15
11-10 = 2
6 +10 =
17
- 1 = 12
+ 0 = 8
-10 =
17
+ 3 = 16
-14 = 17
+ 2 = 5
+12 = 9
+ 2 = 3
+ 5 = 0
+ 0 = 3
+ 3 =
- 1 = 6
- 8 =
3
+ 3 = 17
-12 = 18
- 1 =
18
- 2 = 4
+ 2 = 8
-11 =
-
6 =
- 1 =
- 1 =
- 6 =
+ 2 =
-
5 =
+13 =
+ 4 =
+10 =
+11 =
- 5
=
+ 6 =
+ 1 =
- 7 =
-18 =
+ 3
=
+ 1 =
5 0
8 - 6 =
4 + 2 = 9 - 4 = 10+ 3 =
1 +15 = 6
- 5 = 1 +12 = 13-11 =
17-15 = 14+
1 = 17-16 = 16- 5 =
18-10 = 15-10
= 1 +18 = 2 - 1 =
10+ 5 = 8 - 8 =
5 + 3 = 1 +17 =
16-15 =
3 +11 =
2
+12 =
12+ 2 =
2 +16 =
5 - 3 =
18-11 =
1 +16 =
18-12 =
0 + 1 =
2 + 3 =
4 - 4 =
16+ 3 =
5 +12 =
16+ 3 =
18-10 =
9 + 0 =
13+ 3 =
16+ 2 = 2
11-10 =
11-10 = 1
16-11 = 7
7 - 3
= 14
16- 3 = 12
10+ 7 =
5 - 5 = 3
7 - 7 = 4
7 - 0
= 1
19- 9 = 17
16+ 1 =
6
5 - 5 = 18
13- 2 = 2
1 +13 = 4
17- 5 = 8
16- 6
= 16
4 - 0 = 3
- 1 =
10
+ 7 =
+12 = 7
- 7 = 5
- 1
= 11
+ 1 = 9
-12 =
+ 3 =
10
- 1 = 12
+10 = 15
- 4 =
11
- 2 = 16
+ 0 = 7
+ 6 = 8
- 0 = 7
- 3 = 0
- 0 = 2
+ 2 = 16
+ 3 =
+ 3 =
+10 =
+12 =
+ 2 =
- 5 =
+16 =
+ 6 =
- 1 =
- 5 =
+ 2 =
- 1 =
+11 =
- 4 =
- 2 =
+11 =
+ 4 =
-12 =
1 6
15 1
17- 4 = 0 +16 = 0 + 6 = 19+
0 =
10+ 4 = 8 - 2 = 3 +11 = 2 + 6
=
11+ 3 = 19- 5 = 2 +11 = 11+ 3 =
10+10 = 16-14 = 9 - 4 = 4 + 3 =
5 - 4 = 7 - 5 = 5 + 4 = 5 - 3 =
17- 3 =
15+ 3 =
17-16 =
3 + 3 =
2 + 6 =
15+ 1 =
14+ 3 =
12+ 3 =
1 +16 =
7 - 5 =
5 +10 =
11+ 7 =
7 - 1 =
8 - 2 =
2 + 4 =
1 +16 =
15- 4 =
15-10 =
17- 4 = 14
1 + 4 = 19
15- 4 = 15
5 + 1
= 19
18- 8 = 2
7 - 3 =
5
14+ 1 = 13
10+ 6 = 3
14+ 2 = 1
7 - 1 = 10
2 + 5
= 11
9 - 6 =
17+ 0 =
19
11+ 0 = 5
2 + 3 = 12
16- 3 = 18
15+ 2 = 16
15- 2
= 3
- 2 = 2
-17 = 7
-12 =
14
- 5 = 18
+16 = 8
- 2 =
16
- 2 = 3
+15 = 13
+14 = 3
- 0 = 15
+ 6 = 8
10+ 6 =
- 2 = 15
+ 2 = 4
+ 3 =
15
-10 = 17
-14 = 8
- 3 = 0
+ 1 =
+ 2 =
-12 =
-16 =
- 5 =
-13 =
+14 =
- 2 =
+14 =
+ 1 =
- 8 =
+ 0 =
-10 =
+10 =
-14 =
- 4 =
+10 =
+19 =
1
15- 2 = 2 +10 = 5 +14 = 8 -
4 =
15- 4 = 7 - 3 = 2 +10 = 7 +11
=
11-10 = 14+ 2 = 12+ 0 = 4 + 3 =
19-19 = 4 +15 = 13- 0 = 12-12 =
5 +10 = 1 + 1 = 19- 3 = 15- 2 =
9 - 2 =
18- 5 =
2 + 2 =
4 +10 =
12- 1 =
17-16 =
9 - 3 =
17- 2 =
17-14 =
13+ 6 =
0 +11 =
19-16 =
0 +11 =
0 + 3 =
3 +12 =
19- 6 =
5 +12 =
9 + 0 =
17- 3 = 8
1 +10 = 19
8 - 7 = 11
19- 9
= 3
17- 3 = 3
12-11 =
3
10+ 9 = 19
4 +15 = 3
7 - 6 = 16
1 + 2 = 6
5 +14
=
0 + 0 = 18
1 +17 =
1
+15 = 9
16- 0 = 0
2 +13 =
1
12+ 7 = 8
3 +12 = 0
- 6 = 10
-18 = 8
+ 1 =
16
+ 0 = 19
+ 1 = 17
+10 = 5
- 6 = 2
+ 2 = 1
- 5 = 3
- 2 = 18
0 + 7 =
-13 =
18
0 + 2 =
- 9 = 10
+ 0 =
17
+10 = 2
- 7 = 7
+11 = 5
+ 1 =
- 2 =
+ 3 =
- 5 =
-12 =
- 1 =
+10 =
+ 1 =
+10 =
- 1 =
+ 6 =
- 1 =
-10 =
-10 =
- 3 =
+13 =
- 4 =
+ 1 =
0
13
12+ 0 = 18-11 = 1 + 4 =
19- 5 =
1 +15 = 2 + 4 = 16+ 1 = 6
+11 =
18- 7 = 19-11 = 10+ 9 = 6 -
5 =
16- 5 = 1 + 7 = 12-10 = 7 + 2
=
5 - 1 = 10+ 4 = 11+ 3 = 17-15 =
15- 3 =
18- 8 =
9 - 1 =
19- 6 =
12+ 1 =
3 +10 =
14+ 1 =
5 +10 =
12+ 1 =
6 - 1 =
19-14 =
1 +11 =
14+ 4 =
18- 5 =
7 +10 =
5 +12 =
2 + 4 =
9- 8 =
15- 4 = 17
6 - 4 = 14
19-10 = 2
8 - 4
= 2
17-14 = 18
14-12 =
12
16-11 = 13
15+ 2 = 1
19- 2 = 7
17+ 2 = 7
9 - 2
= 19
2 +10 =
0 + 3 = 17
14+ 4 = 0
7 + 0 = 2
18- 3
= 19
7 - 1 = 18
10+ 1 =
7
- 1 = 3
-10 = 3
+ 2 = 7
+11 = 17
- 6 = 4
- 1 = 2
-11 = 2
+18 = 17
- 6 = 1
- 1 = 7
-18 = 7
- 3 =
-11 =
18
+12 = 3
+ 6 = 5
- 3 = 7
-12 = 2
- 5 = 7
+ 5 =
+ 1
=
+ 1 =
- 2 =
+ 3 =
+16 =
+14
=
-10 =
+ 7 =
+ 1 =
- 6 =
+ 9
=
-12 =
+11 =
+12 =
- 4 =
+17 =
+11 =
18 10
12+ 3 =
1 +14 = 17-14 = 1 +15 =
1 + 1 = 9
- 5 = 6 + 1 = 0 +17 =
6 +11 = 0
+17 = 6 - 1 = 16- 5 =
13- 2 = 6
+12 = 15-14 = 7 + 0 =
12+ 7 = 2
+10 = 5 +11 = 6 + 0 =
13-10 =
5
+13 =
19- 1 =
2 +13 =
4 +13 =
10+
2 =
1 +18 =
12+ 4 =
2 + 1 =
4 +13
=
13+ 2 =
6 - 2 =
4 - 1 =
12-11 =
=
3+5= 7
8-2= 0
10-2=
7
16-13 = 5 + 2 = 16
2 +10 =
12+ 3 = 3
4 - 4 = 0 +18 =
12
2 +15 = 19-13 = 18
9 - 0
= 6 - 5 = 15
6 +13 = 3 + 6 =
12
18-11 = 1 + 8 = 4
0 +16
= 8 - 2 = 3
6 - 6 = 3 +13 =
6
5 + 1 = 7 - 5 = 19
16-14
= 16+ 3 = 13
4 +12 = 10+ 0 =
6
16-14 = 6 +12 = 15
4 - 1
= 16-14 =
+1= 9-3= 8-3=
+8=
3+1= 6+1=
-2= 6-4= 9-2=
-14 =
+ 1 =
+ 5 =
+ 0 =
- 4 =
+ 1 =
+ 4 =
+10 =
- 3 =
-19 =
-13 =
- 2 =
+ 3 =
+
-4=
+3=
-9=
4 12
5
7
10