Toán Lớp 8: Câu1 tính
A, 3x^3(2x^4+5x^2-4x)
B,(x+1)^3-(x^2-2)(x+3)+4x
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Toán Lớp 8: Câu1 tính
A, 3x^3(2x^4+5x^2-4x)
B,(x+1)^3-(x^2-2)(x+3)+4x
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