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

Toán Lớp 8: F=x(2x + 1 )-x^2(x+ 2) +(x^3-x+3)

Toán Lớp 8: F=x(2x + 1 )-x^2(x+ 2) +(x^3-x+3)

Comments ( 2 )

  1. $\text{F=x(2x + 1 )-x²(x+ 2) +(x³-x+3)}$
    $\text{=2x²+x-x³-2x²+x³-x+3}$
    $\text{=3}$
     

  2. Giải đáp: 3
     
    Lời giải và giải thích chi tiết:
     

    toan-lop-8-f-2-1-2-2-3-3

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

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