7 加法 73 等于多少？
7 + 73 = 80
7加法73 等于 80
竖式演算
验算
- 用减法验算：80 − 73 = 7
- 用减法验算：80 − 7 = 73
相关题目
7 + 74 = 81
7 + 72 = 79
7 + 75 = 82
7 + 71 = 78
7 + 76 = 83
7 + 70 = 77
7 + 77 = 84
7 + 69 = 76
6 + 73 = 79
8 + 73 = 81
5 + 73 = 78
9 + 73 = 82
4 + 73 = 77
10 + 73 = 83
11 + 73 = 84
3 + 73 = 76
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
84 + 7 = 91
38 + 48 = 86
36 + 54 = 90
91 + 23 = 114
67 + 91 = 158
53 + 64 = 117
99 - 19 = 80
40 × 2 = 80