15 加法 23 等于多少？
15 + 23 = 38
15加法23 等于 38
竖式演算
验算
- 用减法验算：38 − 23 = 15
- 用减法验算：38 − 15 = 23
相关题目
15 + 22 = 37
15 + 24 = 39
15 + 21 = 36
15 + 25 = 40
15 + 20 = 35
15 + 26 = 41
15 + 19 = 34
15 + 27 = 42
14 + 23 = 37
16 + 23 = 39
13 + 23 = 36
17 + 23 = 40
12 + 23 = 35
18 + 23 = 41
11 + 23 = 34
19 + 23 = 42
1 + 37 = 38
2 + 36 = 38
3 + 35 = 38
4 + 34 = 38
5 + 33 = 38
6 + 32 = 38
52 + 40 = 92
73 + 3 = 76
11 + 1 = 12
4 + 61 = 65
59 + 10 = 69
20 + 71 = 91
19 × 2 = 38
60 - 22 = 38