42 加法 84 等于多少？
42 + 84 = 126
42加法84 等于 126
竖式演算
验算
- 用减法验算：126 − 84 = 42
- 用减法验算：126 − 42 = 84
相关题目
42 + 83 = 125
42 + 85 = 127
42 + 82 = 124
42 + 86 = 128
42 + 87 = 129
42 + 81 = 123
42 + 88 = 130
42 + 80 = 122
41 + 84 = 125
43 + 84 = 127
40 + 84 = 124
44 + 84 = 128
39 + 84 = 123
45 + 84 = 129
38 + 84 = 122
46 + 84 = 130
26 + 100 = 126
27 + 99 = 126
28 + 98 = 126
29 + 97 = 126
30 + 96 = 126
31 + 95 = 126
26 + 67 = 93
4 + 29 = 33
16 + 56 = 72
50 + 71 = 121
5 + 45 = 50
9 + 38 = 47
3 × 42 = 126
63 × 2 = 126