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nghiapham2405
2 năm trước
cho a,b,c khác 0. Thỏa mãn: a ³.b ³+b ³.c ³+c ³.a ³ = 3a ²b ²c ² tính T=( $\frac{a}{b}$ + 1 )( $\frac{b}{c}$ + 1 )( $\frac{c}{a}$ + 1 )
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