21 加法 43 等于多少？
21 + 43 = 64
21加法43 等于 64
竖式演算
验算
- 用减法验算：64 − 43 = 21
- 用减法验算：64 − 21 = 43
相关题目
21 + 42 = 63
21 + 44 = 65
21 + 41 = 62
21 + 45 = 66
21 + 40 = 61
21 + 46 = 67
21 + 47 = 68
21 + 39 = 60
20 + 43 = 63
22 + 43 = 65
19 + 43 = 62
23 + 43 = 66
24 + 43 = 67
18 + 43 = 61
25 + 43 = 68
17 + 43 = 60
1 + 63 = 64
2 + 62 = 64
3 + 61 = 64
4 + 60 = 64
5 + 59 = 64
6 + 58 = 64
8 + 60 = 68
60 + 16 = 76
100 + 23 = 123
50 + 40 = 90
31 + 37 = 68
6 + 52 = 58
96 - 32 = 64
87 - 23 = 64