20 加法 64 等于多少？
20 + 64 = 84
20加法64 等于 84
竖式演算
验算
- 用减法验算：84 − 64 = 20
- 用减法验算：84 − 20 = 64
相关题目
20 + 65 = 85
20 + 63 = 83
20 + 66 = 86
20 + 62 = 82
20 + 67 = 87
20 + 61 = 81
20 + 68 = 88
20 + 60 = 80
19 + 64 = 83
21 + 64 = 85
22 + 64 = 86
18 + 64 = 82
23 + 64 = 87
17 + 64 = 81
24 + 64 = 88
16 + 64 = 80
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
6 + 78 = 84
52 + 45 = 97
5 + 50 = 55
30 + 68 = 98
5 + 4 = 9
63 + 3 = 66
32 + 5 = 37
6 × 14 = 84
14 × 6 = 84