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

Toán Lớp 8: $($$15x^{4}$ $-$ $18x^{2}y^{3}$ $+$ $9x^{5}y$ $)$ $:$ $($ $3x^{2}$$)$ với $x$ $\neq$ 0

Toán Lớp 8: $($$15x^{4}$ $-$ $18x^{2}y^{3}$ $+$ $9x^{5}y$ $)$ $:$ $($ $3x^{2}$$)$ với $x$ $\neq$ 0

Comments ( 2 )

  1. $(15x^4-18x^2y^3+9x^5y):(3x^2)$
    $= (15x^4):(3x^2)-(18x^2y^3):(3x^2)+(9x^5y):(3x^2)$
    $= 5x^2-6y^3+3x^3y$

  2. #tnvt
    (15x^4-18x^2y^3+9x^5y):(3x^2)
    =15x^4 :3x^2-18x^2y^3:3x^2+9x^5y:3x^2
    =5x^2-6y^3+3x^3y
     

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