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

Toán Lớp 8: (15$x^{2}$ +3$x^{3}$ – $x^{4}$ ) : 3$x^{2}$

Toán Lớp 8: (15$x^{2}$ +3$x^{3}$ – $x^{4}$ ) : 3$x^{2}$

Comments ( 2 )

  1. @Bao
    (15x^2+3x^3-x^4):3x^2
    ->15x^2:3x^2+3x^3:3x^2-x^4:3x^2
    ->5+x-1/(3)x^2

  2. Giải đáp:
    (15x^2 +3x^3 – x^4 ) : 3x^2
    = (15x^2 : 3x^2) + (3x^3 : 3x^2) + [(-x^4) : 3x^2]
    = 5 + x – 1/3x^2
    #dariana

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