42 加法 20 等于多少？
42 + 20 = 62
42加法20 等于 62
竖式演算
验算
- 用减法验算：62 − 20 = 42
- 用减法验算：62 − 42 = 20
相关题目
42 + 19 = 61
42 + 21 = 63
42 + 22 = 64
42 + 18 = 60
42 + 23 = 65
42 + 17 = 59
42 + 24 = 66
42 + 16 = 58
41 + 20 = 61
43 + 20 = 63
40 + 20 = 60
44 + 20 = 64
39 + 20 = 59
45 + 20 = 65
38 + 20 = 58
46 + 20 = 66
1 + 61 = 62
2 + 60 = 62
3 + 59 = 62
4 + 58 = 62
5 + 57 = 62
6 + 56 = 62
52 + 10 = 62
35 + 23 = 58
100 + 37 = 137
12 + 84 = 96
2 + 1 = 3
51 + 18 = 69
72 - 10 = 62
80 - 18 = 62