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

Toán Lớp 8: Thực hiện phép tính sau: (x^2-2xy+y^2):(x+y)

Toán Lớp 8: Thực hiện phép tính sau:
(x^2-2xy+y^2):(x+y)

Comments ( 2 )

  1. (x^2 – 2xy + y^2) : (x + y)
    = (x – y)^2 : (x + y)
    = x + y
     

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

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