27 加法 20 等于多少?
27 + 20 = 47
27加法20 等于 47
竖式演算
验算
- 用减法验算:47 − 20 = 27
- 用减法验算:47 − 27 = 20
相关题目
27 + 19 = 46
27 + 21 = 48
27 + 22 = 49
27 + 18 = 45
27 + 23 = 50
27 + 17 = 44
27 + 24 = 51
27 + 16 = 43
26 + 20 = 46
28 + 20 = 48
29 + 20 = 49
25 + 20 = 45
30 + 20 = 50
24 + 20 = 44
31 + 20 = 51
23 + 20 = 43
1 + 46 = 47
2 + 45 = 47
3 + 44 = 47
4 + 43 = 47
5 + 42 = 47
6 + 41 = 47
60 + 100 = 160
10 + 86 = 96
53 + 44 = 97
24 + 50 = 74
20 + 30 = 50
100 + 12 = 112
63 - 16 = 47
67 - 20 = 47