18 加法 30 等于多少？
18 + 30 = 48
18加法30 等于 48
竖式演算
验算
- 用减法验算：48 − 30 = 18
- 用减法验算：48 − 18 = 30
相关题目
18 + 29 = 47
18 + 31 = 49
18 + 28 = 46
18 + 32 = 50
18 + 33 = 51
18 + 27 = 45
18 + 34 = 52
18 + 26 = 44
17 + 30 = 47
19 + 30 = 49
20 + 30 = 50
16 + 30 = 46
21 + 30 = 51
15 + 30 = 45
22 + 30 = 52
14 + 30 = 44
1 + 47 = 48
2 + 46 = 48
3 + 45 = 48
4 + 44 = 48
5 + 43 = 48
6 + 42 = 48
38 + 10 = 48
40 + 54 = 94
21 + 16 = 37
10 + 47 = 57
13 + 24 = 37
36 + 31 = 67
83 - 35 = 48
94 - 46 = 48