13 加法 42 等于多少？
13 + 42 = 55
13加法42 等于 55
竖式演算
验算
- 用减法验算：55 − 42 = 13
- 用减法验算：55 − 13 = 42
相关题目
13 + 41 = 54
13 + 43 = 56
13 + 40 = 53
13 + 44 = 57
13 + 39 = 52
13 + 45 = 58
13 + 38 = 51
13 + 46 = 59
12 + 42 = 54
14 + 42 = 56
11 + 42 = 53
15 + 42 = 57
10 + 42 = 52
16 + 42 = 58
17 + 42 = 59
9 + 42 = 51
1 + 54 = 55
2 + 53 = 55
3 + 52 = 55
4 + 51 = 55
5 + 50 = 55
6 + 49 = 55
77 + 12 = 89
45 + 41 = 86
3 + 80 = 83
40 + 43 = 83
14 + 1 = 15
21 + 7 = 28
67 - 12 = 55
61 - 6 = 55