K
kuky1106


can gap bai` ni! ai giup cai.
Giải PT : [TEX]10x^2+3x-6 = \2.(3x+1)sqrt{2x^2+1}[/TEX]
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Giải PT : [TEX]10x^2+3x-6 = \2.(3x+1)sqrt{2x^2+1}[/TEX]
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