30 加法 18 等于多少？
30 + 18 = 48
30加法18 等于 48
竖式演算
验算
- 用减法验算：48 − 18 = 30
- 用减法验算：48 − 30 = 18
相关题目
30 + 17 = 47
30 + 19 = 49
30 + 20 = 50
30 + 16 = 46
30 + 21 = 51
30 + 15 = 45
30 + 22 = 52
30 + 14 = 44
29 + 18 = 47
31 + 18 = 49
28 + 18 = 46
32 + 18 = 50
33 + 18 = 51
27 + 18 = 45
34 + 18 = 52
26 + 18 = 44
1 + 47 = 48
2 + 46 = 48
3 + 45 = 48
4 + 44 = 48
5 + 43 = 48
6 + 42 = 48
35 + 51 = 86
42 + 36 = 78
45 + 54 = 99
11 + 16 = 27
60 + 18 = 78
65 + 10 = 75
93 - 45 = 48
12 × 4 = 48