20 加法 47 等于多少？
20 + 47 = 67
20加法47 等于 67
竖式演算
验算
- 用减法验算：67 − 47 = 20
- 用减法验算：67 − 20 = 47
相关题目
20 + 46 = 66
20 + 48 = 68
20 + 49 = 69
20 + 45 = 65
20 + 50 = 70
20 + 44 = 64
20 + 51 = 71
20 + 43 = 63
19 + 47 = 66
21 + 47 = 68
22 + 47 = 69
18 + 47 = 65
23 + 47 = 70
17 + 47 = 64
24 + 47 = 71
16 + 47 = 63
1 + 66 = 67
2 + 65 = 67
3 + 64 = 67
4 + 63 = 67
5 + 62 = 67
6 + 61 = 67
10 + 13 = 23
44 + 51 = 95
10 + 76 = 86
24 + 53 = 77
33 + 33 = 66
30 + 46 = 76
74 - 7 = 67
86 - 19 = 67