27 加法 3 等于多少？
27 + 3 = 30
27加法3 等于 30
竖式演算
验算
- 用减法验算：30 − 3 = 27
- 用减法验算：30 − 27 = 3
相关题目
27 + 2 = 29
27 + 4 = 31
27 + 1 = 28
27 + 5 = 32
27 + 6 = 33
27 + 7 = 34
27 + 8 = 35
27 + 9 = 36
26 + 3 = 29
28 + 3 = 31
29 + 3 = 32
25 + 3 = 28
30 + 3 = 33
24 + 3 = 27
31 + 3 = 34
23 + 3 = 26
1 + 29 = 30
2 + 28 = 30
3 + 27 = 30
4 + 26 = 30
5 + 25 = 30
6 + 24 = 30
86 + 9 = 95
14 + 36 = 50
36 + 14 = 50
66 + 51 = 117
39 + 11 = 50
40 + 77 = 117
66 - 36 = 30
5 × 6 = 30