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-5
4
-4
5
16
49
60
128
1
2
10
1.1
0.1
0.01
𝟒𝟗/𝟐𝟏
𝟓𝟏/𝟐𝟑
𝟕𝟓/𝟓𝟐
𝟕𝟕/𝟓𝟐
𝟏+𝟏/(𝑿+𝟒)
𝑿+𝟏
𝑿+𝟒
(𝑿+𝟒)/𝑿
69
35
20
14
6
0.001