85 加法 20 等于多少？
85 + 20 = 105
85加法20 等于 105
竖式演算
验算
- 用减法验算：105 − 20 = 85
- 用减法验算：105 − 85 = 20
相关题目
85 + 19 = 104
85 + 21 = 106
85 + 22 = 107
85 + 18 = 103
85 + 23 = 108
85 + 17 = 102
85 + 24 = 109
85 + 16 = 101
84 + 20 = 104
86 + 20 = 106
83 + 20 = 103
87 + 20 = 107
82 + 20 = 102
88 + 20 = 108
89 + 20 = 109
81 + 20 = 101
5 + 100 = 105
6 + 99 = 105
7 + 98 = 105
8 + 97 = 105
9 + 96 = 105
10 + 95 = 105
56 + 63 = 119
30 + 98 = 128
26 + 65 = 91
96 + 62 = 158
82 + 70 = 152
90 + 49 = 139
35 × 3 = 105
5 × 21 = 105