42 加法 28 等于多少？
42 + 28 = 70
42加法28 等于 70
竖式演算
验算
- 用减法验算：70 − 28 = 42
- 用减法验算：70 − 42 = 28
相关题目
42 + 29 = 71
42 + 27 = 69
42 + 30 = 72
42 + 26 = 68
42 + 31 = 73
42 + 25 = 67
42 + 32 = 74
42 + 24 = 66
41 + 28 = 69
43 + 28 = 71
40 + 28 = 68
44 + 28 = 72
39 + 28 = 67
45 + 28 = 73
38 + 28 = 66
46 + 28 = 74
1 + 69 = 70
2 + 68 = 70
3 + 67 = 70
4 + 66 = 70
5 + 65 = 70
6 + 64 = 70
42 + 91 = 133
35 + 9 = 44
81 + 50 = 131
72 + 55 = 127
91 + 52 = 143
45 + 74 = 119
74 - 4 = 70
79 - 9 = 70