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
2 + 95 = 97
1 + 84 = 85
100 + 55 = 155
19 + 30 = 49
24 + 73 = 97
22 + 62 = 84
96 - 28 = 68
17 × 4 = 68