47 加法 20 等于多少？
47 + 20 = 67
47加法20 等于 67
竖式演算
验算
- 用减法验算：67 − 20 = 47
- 用减法验算：67 − 47 = 20
相关题目
47 + 19 = 66
47 + 21 = 68
47 + 22 = 69
47 + 18 = 65
47 + 23 = 70
47 + 17 = 64
47 + 24 = 71
47 + 16 = 63
46 + 20 = 66
48 + 20 = 68
49 + 20 = 69
45 + 20 = 65
50 + 20 = 70
44 + 20 = 64
51 + 20 = 71
43 + 20 = 63
1 + 66 = 67
2 + 65 = 67
3 + 64 = 67
4 + 63 = 67
5 + 62 = 67
6 + 61 = 67
22 + 43 = 65
11 + 84 = 95
13 + 20 = 33
9 + 20 = 29
24 + 61 = 85
50 + 31 = 81
91 - 24 = 67
81 - 14 = 67