8 加法 42 等于多少？
8 + 42 = 50
8加法42 等于 50
竖式演算
验算
- 用减法验算：50 − 42 = 8
- 用减法验算：50 − 8 = 42
相关题目
8 + 41 = 49
8 + 43 = 51
8 + 40 = 48
8 + 44 = 52
8 + 39 = 47
8 + 45 = 53
8 + 38 = 46
8 + 46 = 54
7 + 42 = 49
9 + 42 = 51
6 + 42 = 48
10 + 42 = 52
11 + 42 = 53
5 + 42 = 47
12 + 42 = 54
4 + 42 = 46
1 + 49 = 50
2 + 48 = 50
3 + 47 = 50
4 + 46 = 50
5 + 45 = 50
6 + 44 = 50
72 + 53 = 125
62 + 82 = 144
81 + 28 = 109
31 + 29 = 60
7 + 8 = 15
84 + 52 = 136
97 - 47 = 50
88 - 38 = 50