28 加法 15 等于多少？
28 + 15 = 43
28加法15 等于 43
竖式演算
验算
- 用减法验算：43 − 15 = 28
- 用减法验算：43 − 28 = 15
相关题目
28 + 14 = 42
28 + 16 = 44
28 + 13 = 41
28 + 17 = 45
28 + 12 = 40
28 + 18 = 46
28 + 11 = 39
28 + 19 = 47
29 + 15 = 44
27 + 15 = 42
30 + 15 = 45
26 + 15 = 41
31 + 15 = 46
25 + 15 = 40
32 + 15 = 47
24 + 15 = 39
1 + 42 = 43
2 + 41 = 43
3 + 40 = 43
4 + 39 = 43
5 + 38 = 43
6 + 37 = 43
37 + 49 = 86
17 + 17 = 34
61 + 72 = 133
34 + 72 = 106
13 + 90 = 103
2 + 58 = 60
68 - 25 = 43
71 - 28 = 43