40 减法 28 等于多少？
40 - 28 = 12
40减法28 等于 12
竖式演算
验算
- 用加法验算：12 + 28 = 40
相关题目
40 - 29 = 11
40 - 27 = 13
40 - 30 = 10
40 - 26 = 14
40 - 31 = 9
40 - 25 = 15
40 - 32 = 8
40 - 24 = 16
39 - 28 = 11
41 - 28 = 13
38 - 28 = 10
42 - 28 = 14
37 - 28 = 9
43 - 28 = 15
44 - 28 = 16
36 - 28 = 8
13 - 1 = 12
14 - 2 = 12
15 - 3 = 12
16 - 4 = 12
17 - 5 = 12
18 - 6 = 12
52 - 17 = 35
41 - 14 = 27
83 - 75 = 8
85 - 68 = 17
62 - 3 = 59
50 - 44 = 6
11 + 1 = 12
3 + 9 = 12