15 加法 24 等于多少？
15 + 24 = 39
15加法24 等于 39
竖式演算
验算
- 用减法验算：39 − 24 = 15
- 用减法验算：39 − 15 = 24
相关题目
15 + 23 = 38
15 + 25 = 40
15 + 22 = 37
15 + 26 = 41
15 + 21 = 36
15 + 27 = 42
15 + 20 = 35
15 + 28 = 43
14 + 24 = 38
16 + 24 = 40
13 + 24 = 37
17 + 24 = 41
12 + 24 = 36
18 + 24 = 42
11 + 24 = 35
19 + 24 = 43
1 + 38 = 39
2 + 37 = 39
3 + 36 = 39
4 + 35 = 39
5 + 34 = 39
6 + 33 = 39
38 + 10 = 48
10 + 73 = 83
81 + 8 = 89
58 + 21 = 79
32 + 47 = 79
12 + 86 = 98
3 × 13 = 39
59 - 20 = 39