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Toán Lớp 7: P(x)=5x ³+x ²-1 Q(x)=2x ³+x ²-5x a, Tính P(x)+Q(x) bằng 2 cách b,Tính P(x)-Q(x) bằng 2

Home/ Toán Lớp 7: P(x)=5x ³+x ²-1 Q(x)=2x ³+x ²-5x a, Tính P(x)+Q(x) bằng 2 cách b,Tính P(x)-Q(x) bằng 2

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