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
42 + 56 = 98
24 + 41 = 65
60 + 15 = 75
12 + 10 = 22
28 + 71 = 99
100 + 69 = 169
83 - 45 = 38
78 - 40 = 38