[hoi dap] Khj tru 2 da thuc neu ngoai ngoac co dau cog trog ngoac dau tru z khj pha ngoac ta lay dau cong hay tru vd.(..)+(-4x-x) |Là gì?

[hoi dap] Khj tru 2 da thuc neu ngoai ngoac co dau cog trog ngoac dau tru z khj pha ngoac ta lay dau cong hay tru vd.(..)+(-4x-x)

Khj tru 2 da thuc neu ngoai ngoac co dau cog trog ngoac dau tru z khj pha ngoac ta lay dau cong hay tru vd.(..)+(-4x-x)

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