20 加法 84 等于多少？
20 + 84 = 104
20加法84 等于 104
竖式演算
验算
- 用减法验算：104 − 84 = 20
- 用减法验算：104 − 20 = 84
相关题目
20 + 83 = 103
20 + 85 = 105
20 + 82 = 102
20 + 86 = 106
20 + 87 = 107
20 + 81 = 101
20 + 88 = 108
20 + 80 = 100
19 + 84 = 103
21 + 84 = 105
22 + 84 = 106
18 + 84 = 102
23 + 84 = 107
17 + 84 = 101
24 + 84 = 108
16 + 84 = 100
4 + 100 = 104
5 + 99 = 104
6 + 98 = 104
7 + 97 = 104
8 + 96 = 104
9 + 95 = 104
56 + 26 = 82
41 + 92 = 133
63 + 8 = 71
42 + 75 = 117
9 + 76 = 85
58 + 26 = 84
13 × 8 = 104
26 × 4 = 104