1 加法 40 等于多少?
1 + 40 = 41
1加法40 等于 41
竖式演算
验算
- 用减法验算:41 − 40 = 1
- 用减法验算:41 − 1 = 40
相关题目
1 + 39 = 40
1 + 41 = 42
1 + 38 = 39
1 + 42 = 43
1 + 37 = 38
1 + 43 = 44
1 + 44 = 45
1 + 36 = 37
2 + 40 = 42
3 + 40 = 43
4 + 40 = 44
5 + 40 = 45
6 + 40 = 46
7 + 40 = 47
8 + 40 = 48
9 + 40 = 49
2 + 39 = 41
3 + 38 = 41
4 + 37 = 41
5 + 36 = 41
6 + 35 = 41
7 + 34 = 41
22 + 56 = 78
12 + 70 = 82
66 + 23 = 89
32 + 55 = 87
11 + 17 = 28
1 + 90 = 91
87 - 46 = 41
62 - 21 = 41