56 加法 20 等于多少？
56 + 20 = 76
56加法20 等于 76
竖式演算
验算
- 用减法验算：76 − 20 = 56
- 用减法验算：76 − 56 = 20
相关题目
56 + 19 = 75
56 + 21 = 77
56 + 22 = 78
56 + 18 = 74
56 + 23 = 79
56 + 17 = 73
56 + 24 = 80
56 + 16 = 72
55 + 20 = 75
57 + 20 = 77
58 + 20 = 78
54 + 20 = 74
59 + 20 = 79
53 + 20 = 73
60 + 20 = 80
52 + 20 = 72
1 + 75 = 76
2 + 74 = 76
3 + 73 = 76
4 + 72 = 76
5 + 71 = 76
6 + 70 = 76
50 + 41 = 91
51 + 14 = 65
63 + 12 = 75
11 + 25 = 36
61 + 28 = 89
35 + 42 = 77
85 - 9 = 76
38 × 2 = 76