48 加法 20 等于多少？
48 + 20 = 68
48加法20 等于 68
竖式演算
验算
- 用减法验算：68 − 20 = 48
- 用减法验算：68 − 48 = 20
相关题目
48 + 19 = 67
48 + 21 = 69
48 + 22 = 70
48 + 18 = 66
48 + 23 = 71
48 + 17 = 65
48 + 24 = 72
48 + 16 = 64
47 + 20 = 67
49 + 20 = 69
46 + 20 = 66
50 + 20 = 70
51 + 20 = 71
45 + 20 = 65
52 + 20 = 72
44 + 20 = 64
1 + 67 = 68
2 + 66 = 68
3 + 65 = 68
4 + 64 = 68
5 + 63 = 68
6 + 62 = 68
4 + 83 = 87
16 + 70 = 86
33 + 36 = 69
2 + 56 = 58
21 + 67 = 88
90 + 3 = 93
81 - 13 = 68
90 - 22 = 68