7 加法 48 等于多少？
7 + 48 = 55
7加法48 等于 55
竖式演算
验算
- 用减法验算：55 − 48 = 7
- 用减法验算：55 − 7 = 48
相关题目
7 + 47 = 54
7 + 49 = 56
7 + 46 = 53
7 + 50 = 57
7 + 51 = 58
7 + 45 = 52
7 + 52 = 59
7 + 44 = 51
6 + 48 = 54
8 + 48 = 56
5 + 48 = 53
9 + 48 = 57
4 + 48 = 52
10 + 48 = 58
11 + 48 = 59
3 + 48 = 51
1 + 54 = 55
2 + 53 = 55
3 + 52 = 55
4 + 51 = 55
5 + 50 = 55
6 + 49 = 55
93 + 66 = 159
86 + 23 = 109
6 + 57 = 63
44 + 64 = 108
44 + 46 = 90
39 + 14 = 53
99 - 44 = 55
66 - 11 = 55