31 减法 23 等于多少?
31 - 23 = 8
31减法23 等于 8
竖式演算
验算
- 用加法验算:8 + 23 = 31
相关题目
31 - 22 = 9
31 - 24 = 7
31 - 21 = 10
31 - 25 = 6
31 - 20 = 11
31 - 26 = 5
31 - 19 = 12
31 - 27 = 4
30 - 23 = 7
32 - 23 = 9
33 - 23 = 10
29 - 23 = 6
34 - 23 = 11
28 - 23 = 5
35 - 23 = 12
27 - 23 = 4
9 - 1 = 8
10 - 2 = 8
11 - 3 = 8
12 - 4 = 8
13 - 5 = 8
14 - 6 = 8
65 - 38 = 27
57 - 18 = 39
40 - 26 = 14
43 - 5 = 38
90 - 63 = 27
21 - 7 = 14
2 × 4 = 8
8 × 1 = 8