80 加法 4 等于多少？
80 + 4 = 84
80加法4 等于 84
竖式演算
验算
- 用减法验算：84 − 4 = 80
- 用减法验算：84 − 80 = 4
相关题目
80 + 3 = 83
80 + 5 = 85
80 + 2 = 82
80 + 6 = 86
80 + 1 = 81
80 + 7 = 87
80 + 8 = 88
80 + 9 = 89
79 + 4 = 83
81 + 4 = 85
78 + 4 = 82
82 + 4 = 86
83 + 4 = 87
77 + 4 = 81
84 + 4 = 88
76 + 4 = 80
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
6 + 78 = 84
30 + 55 = 85
2 + 36 = 38
70 + 4 = 74
74 + 2 = 76
25 + 50 = 75
3 + 46 = 49
97 - 13 = 84
12 × 7 = 84