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
30 + 86 = 116
72 + 35 = 107
22 + 82 = 104
60 + 60 = 120
71 + 98 = 169
42 + 92 = 134
84 - 14 = 70
93 - 23 = 70