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nguyenbahiep1

[laTEX]\frac{x}{8} = \frac{1}{4}+\frac{1}{y} \\ \\ x = 2 + \frac{8}{y}[/laTEX]

y là ước của 8

[laTEX]y = -1 \Rightarrow x = -6 \\ \\ y = 1 \Rightarrow x = 10 \\ \\ y = 2 \Rightarrow x = 6 \\ \\ y = -2 \Rightarrow x =- 2 \\ \\ y = 4 \Rightarrow x =4\\ \\ y = - 4 \Rightarrow x =0 \\ \\ y = 8 \Rightarrow x = 3 \\ \\ y = - 8 \Rightarrow x =1 [/laTEX]
 
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