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2 năm trước
HELP ME !!! KHÓ QUÁ Cho các biểu thức sau: A = 4x3y(-5yx) B = 0 C = 3x2 + 5y E = -17x4y2 D = F = x6y a, Biểu thức đại số nào là đơn thức? Chỉ rõ bậc của đơn thức đó? b, Chỉ rõ các đơn thức đồng dạng? c,Tính tổng, hiệu, tích các đơn thức đồng dạng đó? Bài 3: Điền các đơn thức thích hợp vào dấu ..........
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