42 加法 42 等于多少？
42 + 42 = 84
42加法42 等于 84
竖式演算
验算
- 用减法验算：84 − 42 = 42
- 用减法验算：84 − 42 = 42
相关题目
42 + 41 = 83
42 + 43 = 85
42 + 40 = 82
42 + 44 = 86
42 + 39 = 81
42 + 45 = 87
42 + 38 = 80
42 + 46 = 88
41 + 42 = 83
43 + 42 = 85
40 + 42 = 82
44 + 42 = 86
39 + 42 = 81
45 + 42 = 87
38 + 42 = 80
46 + 42 = 88
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
6 + 78 = 84
30 + 44 = 74
12 + 54 = 66
14 + 10 = 24
54 + 14 = 68
26 + 43 = 69
29 + 60 = 89
6 × 14 = 84
14 × 6 = 84