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

Toán Lớp 8: (35X^3 + 41X^2 + 13X – 5 ) : (5X – 2)

Toán Lớp 8: (35X^3 + 41X^2 + 13X – 5 ) : (5X – 2)

Comments ( 2 )

  1. (35x^3+41x^2+13x-5):(5x-2)
    =(35x^3-14x^2+55x^2-22x+35x-17+9):(5x-2)
    =[7x^2(5x-2)+11x(5x-2)+17(5x-2)+9]:(5x-2)
    =[(5x-2)(7x^2+11x+17)+9]:(5x-2)
    =(35x^3+41x^2+13x-5):(5x-2)
    =7x^2+11x+17 dư 9

  2. Giải đáp+ Lời giải và giải thích chi tiết
     

    toan-lop-8-35-3-41-2-13-5-5-2

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