28 减法 15 等于多少?
28 - 15 = 13
28减法15 等于 13
竖式演算
验算
- 用加法验算:13 + 15 = 28
相关题目
28 - 14 = 14
28 - 16 = 12
28 - 13 = 15
28 - 17 = 11
28 - 12 = 16
28 - 18 = 10
28 - 11 = 17
28 - 19 = 9
27 - 15 = 12
29 - 15 = 14
26 - 15 = 11
30 - 15 = 15
25 - 15 = 10
31 - 15 = 16
24 - 15 = 9
32 - 15 = 17
14 - 1 = 13
15 - 2 = 13
16 - 3 = 13
17 - 4 = 13
18 - 5 = 13
19 - 6 = 13
86 - 44 = 42
96 - 55 = 41
99 - 74 = 25
59 - 17 = 42
89 - 52 = 37
61 - 31 = 30
11 + 2 = 13
1 + 12 = 13