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

Toán Lớp 8: thực hiện phép tính : (x^3y^3-1/2x^2y^3-4x^3y^2) : 2x^2y^2

Toán Lớp 8: thực hiện phép tính : (x^3y^3-1/2x^2y^3-4x^3y^2) : 2x^2y^2

Comments ( 2 )

  1. Bạn tham khảo 
    (x^3y^3-1/2x^2y^3-4x^3y^2) : 2x^2y^2
    =x^3y^3:2x^2y^2-1/2x^2y^3:2x^2y^2-4x^3y^2:2x^2y^2
    =1/2xy-1/4y-2x
     

  2. (x^3y^3-1/2x^2y^3-4x^3y^2): 2x^2y^2
    =x^3y^3: 2x^2y^2-1/2x^2y^3: 2x^2y^2-4x^3y^2: 2x^2y^2
    =1/2xy-1/4y-2x

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

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