83 加法 21 等于多少？
83 + 21 = 104
83加法21 等于 104
竖式演算
验算
- 用减法验算：104 − 21 = 83
- 用减法验算：104 − 83 = 21
相关题目
83 + 20 = 103
83 + 22 = 105
83 + 19 = 102
83 + 23 = 106
83 + 24 = 107
83 + 18 = 101
83 + 25 = 108
83 + 17 = 100
82 + 21 = 103
84 + 21 = 105
85 + 21 = 106
81 + 21 = 102
86 + 21 = 107
80 + 21 = 101
87 + 21 = 108
79 + 21 = 100
4 + 100 = 104
5 + 99 = 104
6 + 98 = 104
7 + 97 = 104
8 + 96 = 104
9 + 95 = 104
52 + 95 = 147
72 + 85 = 157
37 + 55 = 92
35 + 48 = 83
71 + 84 = 155
1 + 9 = 10
13 × 8 = 104
2 × 52 = 104