42 加法 17 等于多少？
42 + 17 = 59
42加法17 等于 59
竖式演算
验算
- 用减法验算：59 − 17 = 42
- 用减法验算：59 − 42 = 17
相关题目
42 + 16 = 58
42 + 18 = 60
42 + 15 = 57
42 + 19 = 61
42 + 20 = 62
42 + 14 = 56
42 + 21 = 63
42 + 13 = 55
41 + 17 = 58
43 + 17 = 60
40 + 17 = 57
44 + 17 = 61
39 + 17 = 56
45 + 17 = 62
38 + 17 = 55
46 + 17 = 63
1 + 58 = 59
2 + 57 = 59
3 + 56 = 59
4 + 55 = 59
5 + 54 = 59
6 + 53 = 59
43 + 4 = 47
10 + 7 = 17
60 + 9 = 69
25 + 53 = 78
20 + 51 = 71
11 + 5 = 16
77 - 18 = 59
62 - 3 = 59