2 加法 42 等于多少？
2 + 42 = 44
2加法42 等于 44
竖式演算
验算
- 用减法验算：44 − 42 = 2
- 用减法验算：44 − 2 = 42
相关题目
2 + 41 = 43
2 + 43 = 45
2 + 40 = 42
2 + 44 = 46
2 + 39 = 41
2 + 45 = 47
2 + 38 = 40
2 + 46 = 48
1 + 42 = 43
3 + 42 = 45
4 + 42 = 46
5 + 42 = 47
6 + 42 = 48
7 + 42 = 49
8 + 42 = 50
9 + 42 = 51
1 + 43 = 44
3 + 41 = 44
4 + 40 = 44
5 + 39 = 44
6 + 38 = 44
7 + 37 = 44
26 + 73 = 99
50 + 9 = 59
64 + 3 = 67
11 + 60 = 71
44 + 42 = 86
28 + 21 = 49
78 - 34 = 44
2 × 22 = 44