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Toán Lớp 10: Cho a+b+c ≥3 .cm : a^4+b^4+c^4 ≥a ³+b ³+c ³

Home/ Toán Lớp 10: Cho a+b+c ≥3 .cm : a^4+b^4+c^4 ≥a ³+b ³+c ³

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