4 加法 47 等于多少？
4 + 47 = 51
4加法47 等于 51
竖式演算
验算
- 用减法验算：51 − 47 = 4
- 用减法验算：51 − 4 = 47
相关题目
4 + 46 = 50
4 + 48 = 52
4 + 49 = 53
4 + 45 = 49
4 + 50 = 54
4 + 44 = 48
4 + 51 = 55
4 + 43 = 47
3 + 47 = 50
5 + 47 = 52
2 + 47 = 49
6 + 47 = 53
1 + 47 = 48
7 + 47 = 54
8 + 47 = 55
9 + 47 = 56
1 + 50 = 51
2 + 49 = 51
3 + 48 = 51
5 + 46 = 51
6 + 45 = 51
7 + 44 = 51
6 + 55 = 61
4 + 27 = 31
87 + 81 = 168
18 + 24 = 42
35 + 80 = 115
86 + 71 = 157
90 - 39 = 51
86 - 35 = 51