20 加法 27 等于多少？
20 + 27 = 47
20加法27 等于 47
竖式演算
验算
- 用减法验算：47 − 27 = 20
- 用减法验算：47 − 20 = 27
相关题目
20 + 26 = 46
20 + 28 = 48
20 + 29 = 49
20 + 25 = 45
20 + 30 = 50
20 + 24 = 44
20 + 31 = 51
20 + 23 = 43
19 + 27 = 46
21 + 27 = 48
22 + 27 = 49
18 + 27 = 45
23 + 27 = 50
17 + 27 = 44
24 + 27 = 51
16 + 27 = 43
1 + 46 = 47
2 + 45 = 47
3 + 44 = 47
4 + 43 = 47
5 + 42 = 47
6 + 41 = 47
21 + 64 = 85
31 + 16 = 47
31 + 56 = 87
1 + 78 = 79
3 + 16 = 19
65 + 10 = 75
63 - 16 = 47
80 - 33 = 47