3 加法 47 等于多少？
3 + 47 = 50
3加法47 等于 50
竖式演算
验算
- 用减法验算：50 − 47 = 3
- 用减法验算：50 − 3 = 47
相关题目
3 + 46 = 49
3 + 48 = 51
3 + 49 = 52
3 + 45 = 48
3 + 50 = 53
3 + 44 = 47
3 + 51 = 54
3 + 43 = 46
2 + 47 = 49
4 + 47 = 51
1 + 47 = 48
5 + 47 = 52
6 + 47 = 53
7 + 47 = 54
8 + 47 = 55
9 + 47 = 56
1 + 49 = 50
2 + 48 = 50
4 + 46 = 50
5 + 45 = 50
6 + 44 = 50
7 + 43 = 50
62 + 57 = 119
43 + 75 = 118
27 + 5 = 32
51 + 57 = 108
92 + 93 = 185
79 + 11 = 90
80 - 30 = 50
50 × 1 = 50