7 加法 14 等于多少?
7 + 14 = 21
7加法14 等于 21
竖式演算
验算
- 用减法验算:21 − 14 = 7
- 用减法验算:21 − 7 = 14
相关题目
7 + 13 = 20
7 + 15 = 22
7 + 12 = 19
7 + 16 = 23
7 + 11 = 18
7 + 17 = 24
7 + 10 = 17
7 + 18 = 25
6 + 14 = 20
8 + 14 = 22
5 + 14 = 19
9 + 14 = 23
4 + 14 = 18
10 + 14 = 24
11 + 14 = 25
3 + 14 = 17
1 + 20 = 21
2 + 19 = 21
3 + 18 = 21
4 + 17 = 21
5 + 16 = 21
6 + 15 = 21
94 + 43 = 137
47 + 29 = 76
9 + 67 = 76
71 + 56 = 127
30 + 95 = 125
3 + 58 = 61
24 - 3 = 21
67 - 46 = 21