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bahungplt9x
2 năm trước
Bài 1. Phân tích đa thức sau thành nhân tử: A = x3 – 3(a2 + b2 )x + 2(a3 + b3 ) Bài 2. Phân tích đa thức sau thành nhân tử: x(x + 4)(x + 6)(x + 10) + 128
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