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
30 + 51 = 81
39 + 30 = 69
72 + 5 = 77
100 + 65 = 165
2 + 86 = 88
11 + 21 = 32
88 - 26 = 62
66 - 4 = 62