15 加法 28 等于多少？
15 + 28 = 43
15加法28 等于 43
竖式演算
验算
- 用减法验算：43 − 28 = 15
- 用减法验算：43 − 15 = 28
相关题目
15 + 29 = 44
15 + 27 = 42
15 + 30 = 45
15 + 26 = 41
15 + 31 = 46
15 + 25 = 40
15 + 32 = 47
15 + 24 = 39
14 + 28 = 42
16 + 28 = 44
13 + 28 = 41
17 + 28 = 45
12 + 28 = 40
18 + 28 = 46
11 + 28 = 39
19 + 28 = 47
1 + 42 = 43
2 + 41 = 43
3 + 40 = 43
4 + 39 = 43
5 + 38 = 43
6 + 37 = 43
90 + 38 = 128
86 + 91 = 177
15 + 66 = 81
37 + 17 = 54
18 + 13 = 31
9 + 16 = 25
88 - 45 = 43
47 - 4 = 43