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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 9: phân tích 2x^2-2x nhanh cho mình ạ đang ktra

Toán Lớp 9: phân tích 2x^2-2x nhanh cho mình ạ đang ktra

Comments ( 2 )

  1. \text{2x² – 2x = 2x . x – 2x = 2x (x – 1)}
    # Kris

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222-9+11+12:2*14+14 = ? ( )

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