免费20以内的加减法练习及连加连减训练
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20以内加减法练习(一)
姓名:
时间: 成绩:
18- 5 =
16-10 =
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 =
17-11 =
5 - 4 =
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 =
13+ 6 =
9 - 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 =
17- 5 =
16- 1 =
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 =
10+ 7 = 1 +12 = 11+ 1 =
17-10 =
9 - 9 = 4 +12 = 11+ 2 =
13+ 2 =
20以内加减法练习(二)
姓名: 时间:
成绩:
16- 1 = 19-13 = 4
- 3 = 1 +14 =
15- 3 =
19- 1 =
2 + 6 =
3 + 4 =
2 - 2 =
13- 3 =
18-11 =
6 - 3 =
7 - 1 =
11-10 =
0 +11 =
17-13 =
17- 3 =
8 + 0 =
5 - 3 =
14- 2 =
17-14 =
6 - 5 =
2 + 6 =
18-13 =
16-14 =
7 - 3 =
8 - 6 =
17+ 0 =
13+ 1 =
0 +10 =
11+ 3 =
5 +10 =
2 + 2 =
1 - 0 =
17- 1 =
9 - 8 =
5 - 3 =
16-14 =
13+ 1 =
19-18 =
12+ 7 =
18- 2 =
6 - 0 =
0 +18 =
2 - 2 =
5 +14 =
6 - 1 =
5 +10 =
5 - 5 =
3 +11 =
9 - 5 =
13-10 =
7 - 3 =
0 + 4 =
3 +12 =
11+ 1 =
2 +11 =
3 +
1 =
5 + 4 =
7 +11 =
10+ 3 =
1 + 7
=
11+ 0 =
2 + 6 =
12-10 =
19-11 =
10+ 3 =
19- 8 =
17+ 0 =
2 - 2 =
9 - 8 =
3 - 0 =
19-15 = 18- 2 = 11+ 2 =
14-12 =
1 + 3 = 5 +11 = 10+ 5 =
11- 1 =
20以内加减法练习(三)
姓名:
时间: 成绩:
5 - 2 = 7 -
6 = 12+ 6 = 10+ 9 =
14+ 5 =
10+ 8 =
1 + 8 =
17-11 =
15-11 =
8 - 6 =
8 - 7 =
11+ 3 =
17- 4 =
19- 5 =
12-11 =
16-16 =
18-11 =
15-11 =
1 + 7 =
6 - 3 =
6 - 6 =
1 + 3 =
2 - 1 =
12+ 6 =
11-10 =
7 - 4 =
15- 2 =
2 +17 =
5 +12 =
7 +11 =
10+ 1 =
3 + 3 =
1 + 8 =
18- 7 =
12+ 3 =
18-16 =
13- 1 =
0 +19 =
2 +10 =
9 - 1 =
9 - 3 =
7 - 6 =
16-14 =
16-13 =
5 +14 =
16-12 =
18- 7 =
2 +15 =
18- 4 =
1 +13 =
0 +19 =
18-13 =
18- 6 =
19-15 =
9 - 2 =
8 +10 =
9 - 5 =
8 - 2 =
19- 3 =
5 - 2 =
3 +11 =
14+ 4 =
7 + 2 =
4 + 5 =
19- 5 =
19-10 =
14- 4 =
12+ 1 =
6 - 0 =
9 - 1 =
8 - 0 =
3 - 3 =
12+ 3 = 2
+11 = 7 - 3 = 13- 2 =
8 - 0 =
1 + 5 = 15+ 3 = 18-15 =
20以内加减法练习(四)
姓名: 时间:
成绩:
2 + 4 = 19-17 = 3
+ 6 = 2 - 1 =
17-10 =
2 +14 =
17- 2 =
0 + 1 =
12-11 =
14+ 5 =
12+ 4 =
6 +10 =
6 +12 =
17-14 =
5 - 3 =
4 - 3 =
13- 1 =
1 +10 =
1 + 7 =
1 +18 =
17+ 0 =
1 +15 =
5 +13 =
2 + 3 =
18-12 =
4 +11 =
19- 1 =
17-11 =
17-16 =
12-10 =
11+ 1 =
19-19 =
3 + 1 =
15- 3 =
7 +10 =
3 - 2 =
13- 0 =
16- 4 =
7 - 6 =
15+ 1 =
14+ 0 =
18- 8 =
12+ 7 =
14+ 1 =
5 + 3 =
18- 1 =
5 +10 =
19-17 =
4 + 3 =
4 - 2 =
7 - 1 =
15-10 =
18- 3 =
15- 0 =
2 - 2 =
3 + 6 =
19- 7 =
13+
0 =
0 + 1 =
3 +13 =
3 +12 =
17-11
=
2 + 3 =
3 + 6 =
4 + 5 =
7 + 1 =
1 + 7 =
12+ 2 =
18- 6 =
16-14 =
19-19 =
12-12 =
19- 4 = 11+ 2 = 3 +15 =
3 - 0 =
0 + 9 = 4 +10 = 0 +11 =
4 - 0 =
20以内加减法练习(五)
姓名:
时间: 成绩:
4 - 3 = 0 +
5 = 9 - 0 = 19-18 =
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 =
7 - 1 =
16+ 1 =
10+ 8 =
3 - 0 =
12-10 =
15-11 =
3 +14 =
6 - 2 =
7 - 4 =
1 +12 =
16- 2 =
10+ 7 =
14+ 3 =
1 + 2 =
12+ 3 =
6 + 2 =
4 +15 =
15- 1 =
12-10 =
5 + 2 =
0 - 0 =
7 - 3 =
6 +10 =
2 +13 =
9 - 1 =
15-11 =
4 +15 =
10+ 3 =
2 + 5 =
11+ 8 =
5 +14 =
17-15 =
16+ 3 =
2 + 3 =
17- 6 =
9 - 1 =
17- 6 =
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 =
1 + 2 = 12+
3 = 16- 1 = 5 +12 =
15-11 =
19-18 = 11+ 6 = 11+ 2 =
20以内加减法练习(六)
姓名: 时间:
成绩:
19+ 0 = 1 +18 = 7
- 1 = 1 +16 =
4 + 2 =
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 =
16-15 =
5 - 2 =
6 - 1 =
0 + 4 =
5 +14 =
8 - 0 =
0 + 0 =
18- 4 =
8 - 0 =
18- 6 =
10+ 6 =
1 +14 =
18- 4 =
10+ 3 =
9 - 5 =
16- 6 =
15- 5 =
1 - 1 =
2 + 4 =
1 + 0 =
18-15 =
3 + 0 =
12+ 7 =
19- 8 =
1 +16 =
9 - 2 =
19-14 =
5 + 4 =
3 +13 =
7 +11 =
5 - 1 =
4 + 1 =
13-10 =
5 + 3 =
17-16 =
19-17 =
1
+11 =
12- 1 =
1 +15 =
15-11 =
13+
5 =
1 +13 =
2 +10 =
12- 2 =
18- 6
=
17- 5 =
16-13 =
5 + 1 =
9 - 9 =
3 +14 =
15+ 4 =
18- 2 = 19-13 = 11+ 5 =
5 + 3 =
19- 1 = 16-14 = 15- 4 =
19- 8 =
20以内加减法练习(七)
姓名: 时间:
成绩:
16-14 = 2 +12 =
11+ 3 = 19- 5 =
17-14 =
1 +14
=
2 + 6 =
19- 5 =
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 =
17+ 2 =
16-11 =
7 + 2 =
6 - 5 =
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 =
4 +14 =
12-10 =
14-10 =
15- 5 =
16- 2 =
16- 2 =
19- 7 =
0 +11 =
11+ 0 =
0 + 9 =
5 + 0 =
5 + 0 =
9 + 0 =
9 - 7 =
3 +11 =
6 +10 =
2 + 5 =
13- 3 =
19- 8 =
9 - 6 =
4 +12 =
19- 1 =
18-16 =
14-13 =
7 +11 =
1 + 2 =
17-10 =
14+ 0 =
16- 1 =
8 - 7 =
18- 4 =
15-14 =
17-17 =
10+ 8 =
15- 3 = 1
+14 = 6 +12 = 2 - 1 =
18- 6 =
1 +10 = 15- 5 = 9 - 2 =
20以内加减法练习(八)
姓名: 时间:
成绩:
6 +13 = 1 +14 = 8
+ 1 = 14+ 5 =
18- 1 =
12-11 =
1 +13 =
3 +12 =
14-10 =
7 +11 =
3 +12 =
1 + 4 =
14+ 3 =
4 + 4 =
14+ 3 =
12+ 7 =
15-14 =
5 - 3 =
8 + 0 =
6 - 3 =
16- 2 =
3 +10 =
17-16 =
12+ 2 =
16+ 2 =
11+ 6 =
10+ 6 =
17- 5 =
18- 3 =
3 +16 =
18- 1 =
5 + 3 =
10+ 3 =
14- 2 =
2 +13 =
1 - 0 =
11- 1 =
14-10 =
14+ 4 =
10+ 9 =
10+ 3 =
7 - 4 =
19-16 =
2 + 4 =
19- 3 =
1 + 7 =
15-12 =
8 - 8 =
10+ 7 =
16- 0 =
9 +10 =
18+ 0 =
19-19 =
13-11 =
14-13 =
8 - 7 =
3 + 4 =
12+
4 =
19-10 =
2 +12 =
16+ 3 =
11+ 8
=
19- 4 =
4 - 3 =
15+ 2 =
17- 3 =
3 +16 =
15-12 =
18- 3 =
6 - 1 =
+ 4 =
11+ 2 =
1
11- 0 = 13-10 = 14- 2 =
16+ 2 =
10+ 6 = 14- 3 = 4 + 3 =
18-17 =
20以内加减法练习(九)
姓名:
时间: 成绩:
15-12 =
19-18 = 19-18 = 6 +12 =
10+ 2 =
11+ 1 =
6 + 2 =
2 +13 =
1 +12 =
18+ 1 =
1 +14 =
17-15 =
7 - 1 =
1 +15 =
3 - 0 =
3 +13 =
5 +12 =
1 +13 =
17- 5 =
8 - 7 =
8 + 0 =
17- 3 =
13-10 =
12- 2 =
13+ 4 =
9 - 1 =
12-12 =
19-10 =
2 + 3 =
19- 1 =
19-18 =
7 - 0 =
0 +10 =
19-18 =
11+ 8 =
0 +18 =
13+ 0 =
3 + 6 =
7 - 3 =
2 +10 =
17- 6 =
5 + 2 =
2 + 1 =
15- 2 =
19-12 =
16-16 =
1 + 4 =
19-18 =
7 - 1 =
11+ 0 =
15-10 =
12+ 3 =
18-14 =
2 + 2 =
4 +12 =
2 +11 =
0 + 5 =
1 + 2 =
19- 5 =
11+ 4 =
7 +12 =
4 - 1 =
1 - 0 =
2 + 2 =
17- 1 =
12-11 =
8 - 6 =
17- 1 =
16- 1 =
17- 6 =
5 + 2 =
9 - 5 =
6 - 1 = 2 +
3 = 17+ 2 = 3 +13 =
5 - 0 =
3 - 0 = 11+ 5 = 0 + 4 =
20以内加减法练习(十)
姓名: 时间:
成绩:
9 +10 = 14-11 = 8
+ 0 = 3 +10 =
11+ 7 =
1 + 8 =
19- 4 =
18- 5 =
14+ 2 =
4 +13 =
3 +16 =
16- 6 =
8 - 6 =
1 +15 =
17-15 =
18-10 =
10+ 5 =
16-15 =
3 +11 =
2 +12 =
12+ 2 =
16- 0 =
12- 2 =
19-15 =
8 +11 =
3 + 4 =
2 + 7 =
11-10 =
6 +10 =
4 + 2 =
6 - 5 =
14+ 1 =
15-10 =
8 - 8 =
16+ 2 =
11-10 =
11-10 =
16-11 =
5 + 3 =
15- 1 =
9 - 8 =
5 + 3 =
14-12 =
15- 1 =
2 - 2 =
17+ 2 =
9 - 4 =
1 +12 =
17-16 =
1 +18 =
5 + 3 =
2 - 1 =
1 + 7 =
1 +12 =
7 - 7 =
0 +11 =
6 - 5 =
3
+ 6 =
17+ 1 =
18- 7 =
18-18 =
4 + 3 =
8 + 1 =
10+ 3 =
13-11 =
16- 5 =
2 - 1 =
1 +17 =
10+ 3
=
6 + 3 =
7 +10 =
5 +12 =
2 +16 = 7 - 3 =
14- 1 = 11+ 2 =
5 - 3 = 16- 3 =
12+ 1 = 9 - 5 =
20以内加减法练习(十一)
姓名:
时间: 成绩:
18-11 = 10+
7 = 15-12 = 1 +16 =
1 +16 =
18-12 =
0 + 1 =
2 + 3 =
4 - 4 =
16+ 3 =
5 +12 =
16+ 3 =
18-10 =
9 + 0 =
13+ 3 =
17- 4 =
10+ 4 =
11+ 3 =
10+10 =
5 - 4 =
17- 3 =
5 - 5 =
7 - 7 =
7 - 0 =
19- 9 =
16+ 1 =
5 - 5 =
13- 2 =
1 +13 =
17- 5 =
16- 6 =
4 - 0 =
0 +16 =
8 - 2 =
19- 5 =
16-14 =
7 - 5 =
17- 4 =
3 + 3 =
4 - 1 =
1 +10 =
17- 4 =
6 - 2 =
18+ 0 =
2 + 6 =
4 - 0 =
8 - 3 =
16- 0 =
3 + 2 =
0 + 6 =
3 +11 =
2 +11 =
9 - 4 =
5 + 4 =
14- 2 =
10+ 6 =
12- 1 =
15- 5 =
11+ 2 =
16- 1 =
7 +11 =
8 - 4 =
7 - 2 =
0 +11 =
2 + 4 =
16-12 =
19+ 0 =
2 + 6 =
11+ 3 =
4 + 3 =
5 - 3 =
2 + 1 =
15+ 3 = 1 + 4 = 19-17 =
7 + 2 =
17-16 = 15- 4 = 15-12 =
14-12 =
20以内加减法练习(十二)
姓名: 时间:
成绩:
3 + 3 = 5 + 1 =
19- 5 = 18-16 =
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 =
15- 2 =
15- 4 =
11-10 =
18- 8 =
7 - 3 =
14+ 1 =
10+ 6 =
14+ 2 =
7 - 1 =
2 + 5 =
9 - 6 =
17+ 0 =
11+ 0 =
2 + 3 =
16- 3 =
15+ 2 =
15- 2 =
2 +10 =
7 - 3 =
14+ 2 =
2 +16 =
5 - 2 =
13- 2 =
3 +15 =
1 +14 =
10- 0 =
11+ 6 =
10+ 6 =
19- 2 =
5 + 2 =
12+ 3 =
18-10 =
16-14 =
3 - 3 =
5 +14 =
2 +10 =
12+ 0 =
8 - 5 =
16-13 =
3 +14 =
13- 2 =
3 +14 =
15+ 1 =
8 - 8 =
1 + 0 =
15-10 =
4 +10 =
15-14 =
17- 4 =
8 +10 =
0 +19 =
8 - 4 =
7 +11 =
4 + 3 =
19-19 = 4
+15 = 13- 0 = 12-12 =
5 +10 =
1 + 1 = 19- 3 = 15- 2 =
20以内加减法练习(十三)
姓名: 时间:
成绩:
9 - 2 = 17- 3 = 8
- 6 = 10+ 1 =
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 =
1 +10 =
8 - 7 =
19- 9 =
17- 3 =
12-11 =
10+ 9 =
4 +15 =
7 - 6 =
1 + 2 =
5 +14 =
0 + 0 =
1 +17 =
1 +15 =
16- 0 =
2 +13 =
12+ 7 =
3 +12 =
19-18 =
11+ 1 =
3 + 0 =
3 + 1 =
3 +10 =
19- 6 =
3 + 2 =
16- 5 =
6 - 2 =
0 + 7 =
18-13 =
0 + 2 =
9 - 9 =
0 + 0 =
1 +10 =
8 - 7 =
0 +11 =
8 - 2 =
16+ 3 =
19-
5 =
17-12 =
5 - 1 =
2 +10 =
1 + 1
=
3 +10 =
18- 1 =
0 + 6 =
18- 1 =
13-10 =
10-10 =
17- 3 =
2 +13 =
7 - 4 =
5 + 1 =
12+ 0 = 18-11 = 1 + 4 =
19- 5 =
1 +15 = 2 + 4 = 16+ 1 =
6 +11 =
20以内加减法练习(十四)
姓名: 时间: 成绩:
18- 7 = 19-11 = 10+ 9 = 6
- 5 =
16- 5 =
5 - 1 =
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 =
1 + 7 =
10+ 4 =
15- 4 =
6 - 4 =
19-10 =
8 - 4 =
17-14 =
14-12 =
16-11 =
15+ 2 =
19- 2 =
17+ 2 =
9 - 2 =
2 +10 =
0 + 3 =
14+ 4 =
7 + 0 =
12-10 =
11+ 3 =
17- 1 =
14-10 =
2 + 2 =
2 +11 =
18- 6 =
12- 1 =
13-11 =
1 +18 =
7 - 6 =
7 - 1 =
19-18 =
18- 3 =
17-11 =
0 +12 =
2 + 6 =
7 + 2 =
17-15 =
3 +
5 =
3 + 1 =
7 + 1 =
17- 2 =
4 + 3
=
2 +16 =
2 +14 =
17-10 =
1 + 7 =
7 + 1 =
7 - 6 =
10+ 9 =
18-12 =
3 +11 =
5 +12 =
5 +12 = 18- 3 = 19- 3 =
7 - 4 =
2 + 4 = 7 - 1 = 18-12 =
2 +17 =
20以内加减法练习(十五)
姓名: 时间: 成绩:
19- 8 = 10+ 1 = 7 - 5 = 7
+11 =
12+ 3 =
1 + 1 =
6
+11 =
13- 2 =
12+ 7 =
13-10 =
5 +13 =
19- 1 =
2 +13 =
4 +13 =
10+ 2 =
1 +18 =
12+ 4 =
2 + 1 =
4 +13 =
13+ 2 =
6 - 2 =
1 +14 =
9 - 5 =
0 +17 =
6 +12 =
2 +10 =
16-13 =
2 +10 =
4 - 4 =
2 +15 =
9 - 0 =
6 +13 =
18-11 =
0 +16 =
6 - 6 =
5 + 1 =
16-14 =
4 +12 =
17-14 =
6 + 1 =
6 - 1 =
15-14 =
5 +11 =
5 + 2 =
12+ 3 =
0 +18 =
19-13 =
6 - 5 =
3 + 6 =
1 + 8 =
8 - 2 =
3 +13 =
7 - 5 =
16+ 3 =
10+ 0 =
1 +15 =
0 +17 =
16-
5 =
7 + 0 =
6 + 0 =
16-14 =
3 + 1
=
12+ 5 =
18+ 0 =
15- 4 =
12+ 1 =
4 + 4 =
3 +10 =
6 - 3 =
19-19 =
13-13 =
6 - 2 =
4 - 1 = 16-14 = 6 +12 =
15+ 3 =
12-11 = 4 - 1 = 16-14 =
12+ 4 =
一、在()里填上合适的数。
(
)+5=12 11+( )=19 20-( )=15
10+( )=20 16-( )=0
( )+7=17 (
)-2=18 9+( )=17 19-( )=7
13+( )=16
( )-4=10 ( )+2=11
( )-5=9 ( )+7=15 6+( )=12
9+( )=15 3+( )=11 ( )+8=14
17-( )=7 ( )-5=10
13-( )=10 (
)+6=11 10+( )=16 7+( )=15
17-( )=17
( )+12=12 13+( )=16
18-( )=9 5+( )=14 11-( )=5
17-( )=10 14+( )=18 ( )+8=12
( )-12=3 ( )-8=8
( )+5=18
2+( )=10 4+( )=8 5+( )=10
9+( )=18
3+( )=17 ( )+6=10
( )+3=9 ( )+1=20 ( )+7=10
( )+9=20 13+ ( )=16 14-( )=10
12+( )=18 15-( )=11
( )+5=13
19-( )=5 ( )+2=16 18-( )=4
( )+2=14
4+( )=20 19-( )=14
( )-5=13 15+( )=17 ( )-15=5
19-( )=4 ( )-15=2 9+( )=18
15-( )=10 ( )-6=13
( )+9=19
20-( )=4 19-( )=3 ( )+11=15
( )-6=12
18-( )=11 17-( )=10
( )+6=15 ( )-7=11 13+( )=14
17-( )=10 ( )-8=11 10+( )=17
( )+5=12 18-( )=9
5+( )=14
11-( )=5 17-( )=10 14+( )=18
( )+8=12
( )-12=3 ( )-8=8
( )+5=18 12-( )=9 15-( )=7
12-( )=3 17-( )=9 ( )-6=7
12-( )=5 13-( )=8
( )-7=7
14-( )=6 15-( )=9 11-( )=7
17-( )=8
( )-5=7 13-( )=7
13-( )=5 15-( )=8 12-( )=9
17-( )=7 12-( )=6 16-( )=9
( )-4=7 ( )-6=5
14-( )=6
18-( )=9 6+( )=14 ( )+6=14 14-(
)=8
9+( )=13 ( )+8=13 ( )+( )=12
( )+8=15 ( )-4=11
( )-9=9 (
)-8=5 14-( )=6 6+( )=9 2+(
)=11
7+( )=15 8+( )=13 ( )+7=12
( )+5=11 ( )+10=10
15-( )=15 15-(
)=5 15-( )=10 15-( )=0 8+( )=16
( )+7=12 ( )+5=14 16-( )=10
7+( )=14 0+( )=12
5+( )=11 (
)+6=14 8-( )=0 8-( )=8 15-(
)=6
( )+13=13 19-( )=9 6+( )=14
0+( )=0 13-( )=5
8+( )=15 10+(
)=18 15+( )=20 0-( )=0 6+( )=14
二、在○里填“>”、“<”或“=”。
6+4○11
6+4+2○6+6 7+8○8+2+6
17○8+8 7+3○20-3-7
4+3+5○14-2
6+7○17-7+4
12○15-3 6+7○8+6
5+8○8+5 8+5○3+9
3+2○20-4
4+6○20-9
17-3○7+7 16-5○6+6
13○7+7 20○10+9
6+7○9+2
5+8○6+9
13-3+5○9+5