25 减法 18 等于多少?
25 - 18 = 7
25减法18 等于 7
竖式演算
验算
- 用加法验算:7 + 18 = 25
相关题目
25 - 17 = 8
25 - 19 = 6
25 - 16 = 9
25 - 20 = 5
25 - 15 = 10
25 - 21 = 4
25 - 14 = 11
25 - 22 = 3
24 - 18 = 6
26 - 18 = 8
23 - 18 = 5
27 - 18 = 9
28 - 18 = 10
22 - 18 = 4
29 - 18 = 11
21 - 18 = 3
8 - 1 = 7
9 - 2 = 7
10 - 3 = 7
11 - 4 = 7
12 - 5 = 7
13 - 6 = 7
87 - 8 = 79
21 - 3 = 18
22 - 16 = 6
71 - 59 = 12
31 - 17 = 14
90 - 59 = 31
3 + 4 = 7
4 + 3 = 7