20 加法 56 等于多少？
20 + 56 = 76
20加法56 等于 76
竖式演算
验算
- 用减法验算：76 − 56 = 20
- 用减法验算：76 − 20 = 56
相关题目
20 + 55 = 75
20 + 57 = 77
20 + 58 = 78
20 + 54 = 74
20 + 59 = 79
20 + 53 = 73
20 + 60 = 80
20 + 52 = 72
19 + 56 = 75
21 + 56 = 77
22 + 56 = 78
18 + 56 = 74
23 + 56 = 79
17 + 56 = 73
24 + 56 = 80
16 + 56 = 72
1 + 75 = 76
2 + 74 = 76
3 + 73 = 76
4 + 72 = 76
5 + 71 = 76
6 + 70 = 76
35 + 23 = 58
20 + 21 = 41
31 + 46 = 77
13 + 54 = 67
83 + 2 = 85
71 + 18 = 89
77 - 1 = 76
83 - 7 = 76