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
54 + 21 = 75
75 + 24 = 99
44 + 11 = 55
25 + 73 = 98
35 + 64 = 99
10 + 23 = 33
45 - 2 = 43
90 - 47 = 43