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2 năm trước
Mọi người ơi giúp mình vs Phân tích đa thức thành nhân tử bằng phương pháp tách 1 hạng tử thành 2 hạng tử còn lại sau: a) bc(b+c)+ca(c-a)-ab(b+a) b) bc(a+d)(b-c)(b+d)(a-c)+(c+d)(a-b) c) a(b²-c²)+(c²-a²)+c(a²-b²)
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