20 加法 48 等于多少？
20 + 48 = 68
20加法48 等于 68
竖式演算
验算
- 用减法验算：68 − 48 = 20
- 用减法验算：68 − 20 = 48
相关题目
20 + 47 = 67
20 + 49 = 69
20 + 46 = 66
20 + 50 = 70
20 + 51 = 71
20 + 45 = 65
20 + 52 = 72
20 + 44 = 64
19 + 48 = 67
21 + 48 = 69
22 + 48 = 70
18 + 48 = 66
23 + 48 = 71
17 + 48 = 65
24 + 48 = 72
16 + 48 = 64
1 + 67 = 68
2 + 66 = 68
3 + 65 = 68
4 + 64 = 68
5 + 63 = 68
6 + 62 = 68
44 + 5 = 49
2 + 55 = 57
12 + 6 = 18
44 + 24 = 68
14 + 81 = 95
11 + 60 = 71
71 - 3 = 68
72 - 4 = 68