64 加法 20 等于多少？
64 + 20 = 84
64加法20 等于 84
竖式演算
验算
- 用减法验算：84 − 20 = 64
- 用减法验算：84 − 64 = 20
相关题目
64 + 19 = 83
64 + 21 = 85
64 + 22 = 86
64 + 18 = 82
64 + 23 = 87
64 + 17 = 81
64 + 24 = 88
64 + 16 = 80
65 + 20 = 85
63 + 20 = 83
66 + 20 = 86
62 + 20 = 82
67 + 20 = 87
61 + 20 = 81
68 + 20 = 88
60 + 20 = 80
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
6 + 78 = 84
51 + 13 = 64
70 + 25 = 95
13 + 13 = 26
36 + 40 = 76
81 + 15 = 96
11 + 71 = 82
91 - 7 = 84
92 - 8 = 84