7 加法 78 等于多少？
7 + 78 = 85
7加法78 等于 85
竖式演算
验算
- 用减法验算：85 − 78 = 7
- 用减法验算：85 − 7 = 78
相关题目
7 + 77 = 84
7 + 79 = 86
7 + 76 = 83
7 + 80 = 87
7 + 75 = 82
7 + 81 = 88
7 + 74 = 81
7 + 82 = 89
6 + 78 = 84
8 + 78 = 86
5 + 78 = 83
9 + 78 = 87
4 + 78 = 82
10 + 78 = 88
11 + 78 = 89
3 + 78 = 81
1 + 84 = 85
2 + 83 = 85
3 + 82 = 85
4 + 81 = 85
5 + 80 = 85
6 + 79 = 85
66 + 28 = 94
87 + 61 = 148
65 + 43 = 108
24 + 90 = 114
40 + 73 = 113
32 + 18 = 50
85 × 1 = 85
95 - 10 = 85