17 加法 42 等于多少？
17 + 42 = 59
17加法42 等于 59
竖式演算
验算
- 用减法验算：59 − 42 = 17
- 用减法验算：59 − 17 = 42
相关题目
17 + 41 = 58
17 + 43 = 60
17 + 40 = 57
17 + 44 = 61
17 + 39 = 56
17 + 45 = 62
17 + 38 = 55
17 + 46 = 63
16 + 42 = 58
18 + 42 = 60
15 + 42 = 57
19 + 42 = 61
20 + 42 = 62
14 + 42 = 56
21 + 42 = 63
13 + 42 = 55
1 + 58 = 59
2 + 57 = 59
3 + 56 = 59
4 + 55 = 59
5 + 54 = 59
6 + 53 = 59
34 + 24 = 58
85 + 14 = 99
11 + 63 = 74
52 + 43 = 95
45 + 24 = 69
24 + 11 = 35
69 - 10 = 59
94 - 35 = 59