2 加法 80 等于多少？
2 + 80 = 82
2加法80 等于 82
竖式演算
验算
- 用减法验算：82 − 80 = 2
- 用减法验算：82 − 2 = 80
相关题目
2 + 79 = 81
2 + 81 = 83
2 + 78 = 80
2 + 82 = 84
2 + 83 = 85
2 + 77 = 79
2 + 84 = 86
2 + 76 = 78
1 + 80 = 81
3 + 80 = 83
4 + 80 = 84
5 + 80 = 85
6 + 80 = 86
7 + 80 = 87
8 + 80 = 88
9 + 80 = 89
1 + 81 = 82
3 + 79 = 82
4 + 78 = 82
5 + 77 = 82
6 + 76 = 82
7 + 75 = 82
64 + 21 = 85
10 + 10 = 20
26 + 52 = 78
6 + 20 = 26
60 + 27 = 87
44 + 100 = 144
83 - 1 = 82
1 × 82 = 82