1 加法 48 等于多少？
1 + 48 = 49
1加法48 等于 49
竖式演算
验算
- 用减法验算：49 − 48 = 1
- 用减法验算：49 − 1 = 48
相关题目
1 + 47 = 48
1 + 49 = 50
1 + 46 = 47
1 + 50 = 51
1 + 51 = 52
1 + 45 = 46
1 + 52 = 53
1 + 44 = 45
2 + 48 = 50
3 + 48 = 51
4 + 48 = 52
5 + 48 = 53
6 + 48 = 54
7 + 48 = 55
8 + 48 = 56
9 + 48 = 57
2 + 47 = 49
3 + 46 = 49
4 + 45 = 49
5 + 44 = 49
6 + 43 = 49
7 + 42 = 49
100 + 59 = 159
81 + 14 = 95
85 + 14 = 99
50 + 30 = 80
74 + 11 = 85
30 + 3 = 33
80 - 31 = 49
86 - 37 = 49