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

Toán Lớp 8: a)5x^2y^4 : 15x^2y giup mk voi

Toán Lớp 8: a)5x^2y^4 : 15x^2y
giup mk voi

Comments ( 2 )

  1. Em tham khảo:
           $5x^{2}.y^4:15x^2y$
     $=$ $\dfrac{1}{3}y^3$
    Học tốt 

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