17 加法 23 等于多少？
17 + 23 = 40
17加法23 等于 40
竖式演算
验算
- 用减法验算：40 − 23 = 17
- 用减法验算：40 − 17 = 23
相关题目
17 + 22 = 39
17 + 24 = 41
17 + 21 = 38
17 + 25 = 42
17 + 20 = 37
17 + 26 = 43
17 + 19 = 36
17 + 27 = 44
16 + 23 = 39
18 + 23 = 41
15 + 23 = 38
19 + 23 = 42
20 + 23 = 43
14 + 23 = 37
21 + 23 = 44
13 + 23 = 36
1 + 39 = 40
2 + 38 = 40
3 + 37 = 40
4 + 36 = 40
5 + 35 = 40
6 + 34 = 40
18 + 74 = 92
22 + 97 = 119
70 + 85 = 155
39 + 28 = 67
27 + 5 = 32
48 + 24 = 72
65 - 25 = 40
41 - 1 = 40