15 加法 18 等于多少？
15 + 18 = 33
15加法18 等于 33
竖式演算
验算
- 用减法验算：33 − 18 = 15
- 用减法验算：33 − 15 = 18
相关题目
15 + 17 = 32
15 + 19 = 34
15 + 20 = 35
15 + 16 = 31
15 + 21 = 36
15 + 15 = 30
15 + 22 = 37
15 + 14 = 29
14 + 18 = 32
16 + 18 = 34
13 + 18 = 31
17 + 18 = 35
12 + 18 = 30
18 + 18 = 36
11 + 18 = 29
19 + 18 = 37
1 + 32 = 33
2 + 31 = 33
3 + 30 = 33
4 + 29 = 33
5 + 28 = 33
6 + 27 = 33
72 + 36 = 108
5 + 17 = 22
74 + 32 = 106
82 + 90 = 172
82 + 62 = 144
28 + 81 = 109
50 - 17 = 33
1 × 33 = 33