42 加法 13 等于多少？
42 + 13 = 55
42加法13 等于 55
竖式演算
验算
- 用减法验算：55 − 13 = 42
- 用减法验算：55 − 42 = 13
相关题目
42 + 12 = 54
42 + 14 = 56
42 + 11 = 53
42 + 15 = 57
42 + 10 = 52
42 + 16 = 58
42 + 17 = 59
42 + 9 = 51
41 + 13 = 54
43 + 13 = 56
40 + 13 = 53
44 + 13 = 57
39 + 13 = 52
45 + 13 = 58
38 + 13 = 51
46 + 13 = 59
1 + 54 = 55
2 + 53 = 55
3 + 52 = 55
4 + 51 = 55
5 + 50 = 55
6 + 49 = 55
9 + 30 = 39
4 + 90 = 94
14 + 64 = 78
13 + 54 = 67
32 + 23 = 55
56 + 32 = 88
82 - 27 = 55
89 - 34 = 55