15 加法 25 等于多少？
15 + 25 = 40
15加法25 等于 40
竖式演算
验算
- 用减法验算：40 − 25 = 15
- 用减法验算：40 − 15 = 25
相关题目
15 + 24 = 39
15 + 26 = 41
15 + 23 = 38
15 + 27 = 42
15 + 22 = 37
15 + 28 = 43
15 + 29 = 44
15 + 21 = 36
14 + 25 = 39
16 + 25 = 41
13 + 25 = 38
17 + 25 = 42
12 + 25 = 37
18 + 25 = 43
11 + 25 = 36
19 + 25 = 44
1 + 39 = 40
2 + 38 = 40
3 + 37 = 40
4 + 36 = 40
5 + 35 = 40
6 + 34 = 40
99 + 80 = 179
20 + 87 = 107
95 + 74 = 169
41 + 67 = 108
17 + 59 = 76
71 + 42 = 113
85 - 45 = 40
80 - 40 = 40