3 加法 40 等于多少？
3 + 40 = 43
3加法40 等于 43
竖式演算
验算
- 用减法验算：43 − 40 = 3
- 用减法验算：43 − 3 = 40
相关题目
3 + 39 = 42
3 + 41 = 44
3 + 38 = 41
3 + 42 = 45
3 + 37 = 40
3 + 43 = 46
3 + 44 = 47
3 + 36 = 39
2 + 40 = 42
4 + 40 = 44
1 + 40 = 41
5 + 40 = 45
6 + 40 = 46
7 + 40 = 47
8 + 40 = 48
9 + 40 = 49
1 + 42 = 43
2 + 41 = 43
4 + 39 = 43
5 + 38 = 43
6 + 37 = 43
7 + 36 = 43
49 + 40 = 89
60 + 30 = 90
83 + 5 = 88
27 + 100 = 127
2 + 36 = 38
63 + 100 = 163
63 - 20 = 43
44 - 1 = 43