40 减法 12 等于多少？
40 - 12 = 28
40减法12 等于 28
竖式演算
验算
- 用加法验算：28 + 12 = 40
相关题目
40 - 11 = 29
40 - 13 = 27
40 - 10 = 30
40 - 14 = 26
40 - 15 = 25
40 - 9 = 31
40 - 16 = 24
40 - 8 = 32
39 - 12 = 27
41 - 12 = 29
42 - 12 = 30
38 - 12 = 26
43 - 12 = 31
37 - 12 = 25
44 - 12 = 32
36 - 12 = 24
29 - 1 = 28
30 - 2 = 28
31 - 3 = 28
32 - 4 = 28
33 - 5 = 28
34 - 6 = 28
97 - 49 = 48
62 - 48 = 14
47 - 8 = 39
31 - 12 = 19
71 - 12 = 59
67 - 9 = 58
15 + 13 = 28
25 + 3 = 28