3 加法 80 等于多少？
3 + 80 = 83
3加法80 等于 83
竖式演算
验算
- 用减法验算：83 − 80 = 3
- 用减法验算：83 − 3 = 80
相关题目
3 + 79 = 82
3 + 81 = 84
3 + 78 = 81
3 + 82 = 85
3 + 83 = 86
3 + 77 = 80
3 + 84 = 87
3 + 76 = 79
2 + 80 = 82
4 + 80 = 84
1 + 80 = 81
5 + 80 = 85
6 + 80 = 86
7 + 80 = 87
8 + 80 = 88
9 + 80 = 89
1 + 82 = 83
2 + 81 = 83
4 + 79 = 83
5 + 78 = 83
6 + 77 = 83
7 + 76 = 83
100 + 100 = 200
2 + 91 = 93
22 + 46 = 68
24 + 64 = 88
46 + 53 = 99
80 + 13 = 93
89 - 6 = 83
92 - 9 = 83