18 加法 7 等于多少？
18 + 7 = 25
18加法7 等于 25
竖式演算
验算
- 用减法验算：25 − 7 = 18
- 用减法验算：25 − 18 = 7
相关题目
18 + 6 = 24
18 + 8 = 26
18 + 5 = 23
18 + 9 = 27
18 + 4 = 22
18 + 10 = 28
18 + 11 = 29
18 + 3 = 21
17 + 7 = 24
19 + 7 = 26
20 + 7 = 27
16 + 7 = 23
21 + 7 = 28
15 + 7 = 22
22 + 7 = 29
14 + 7 = 21
1 + 24 = 25
2 + 23 = 25
3 + 22 = 25
4 + 21 = 25
5 + 20 = 25
6 + 19 = 25
14 + 93 = 107
71 + 41 = 112
2 + 8 = 10
55 + 62 = 117
57 + 91 = 148
43 + 84 = 127
93 - 68 = 25
68 - 43 = 25