7 加法 1 等于多少？
7 + 1 = 8
7加法1 等于 8
竖式演算
验算
- 用减法验算：8 − 1 = 7
- 用减法验算：8 − 7 = 1
相关题目
7 + 2 = 9
7 + 3 = 10
7 + 4 = 11
7 + 5 = 12
7 + 6 = 13
7 + 7 = 14
7 + 8 = 15
7 + 9 = 16
6 + 1 = 7
8 + 1 = 9
5 + 1 = 6
9 + 1 = 10
4 + 1 = 5
10 + 1 = 11
11 + 1 = 12
3 + 1 = 4
1 + 7 = 8
2 + 6 = 8
3 + 5 = 8
4 + 4 = 8
5 + 3 = 8
6 + 2 = 8
100 + 14 = 114
23 + 53 = 76
23 + 55 = 78
41 + 22 = 63
5 + 72 = 77
25 + 71 = 96
36 - 28 = 8
99 - 91 = 8