17 加法 1 等于多少？
17 + 1 = 18
17加法1 等于 18
竖式演算
验算
- 用减法验算：18 − 1 = 17
- 用减法验算：18 − 17 = 1
相关题目
17 + 2 = 19
17 + 3 = 20
17 + 4 = 21
17 + 5 = 22
17 + 6 = 23
17 + 7 = 24
17 + 8 = 25
17 + 9 = 26
16 + 1 = 17
18 + 1 = 19
15 + 1 = 16
19 + 1 = 20
20 + 1 = 21
14 + 1 = 15
21 + 1 = 22
13 + 1 = 14
1 + 17 = 18
2 + 16 = 18
3 + 15 = 18
4 + 14 = 18
5 + 13 = 18
6 + 12 = 18
41 + 23 = 64
14 + 12 = 26
70 + 12 = 82
13 + 72 = 85
91 + 7 = 98
61 + 10 = 71
35 - 17 = 18
87 - 69 = 18