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

Toán Lớp 8: 45x^5y^4 – 20x^2y^3 – 2x^4y^4 : 5x^2y^2

Toán Lớp 8: 45x^5y^4 – 20x^2y^3 – 2x^4y^4 : 5x^2y^2

Comments ( 2 )

  1. Giải đáp + Lời giải và giải thích chi tiết:
     45x^5y^4-20x²y³-2x^4y^4 : 5x²y²
    = 45x^5y^4: 5x^2y^2 – 20x^2y^3: 5x^2y^2 – 2x^4y^4 : 5x^2y^2
    = 9x^3y^2 – 4y- 2/5 x^2y^2

  2. 45x^5y^4-20x^2y^3-2x^4y^4:5x^2y^2
    =45x^5y^4:5x^2y^2-20x^2y^3:5x^2y^2-2x^4y^4:5x^2y^2
    =9x^3y^2-5y-2/5x^2y^2
     

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