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

Toán Lớp 8: Rút gọn các phân thức sau a, 15xy / 3x²y b, 25x² + 5x / 5x +1 c, 15x ( x+y)³/ 5y (x+y)² d, 5x²+10xy +5y²/ 3x³+3y³ e, 5 (x-y) – 3x (y-

Toán Lớp 8: Rút gọn các phân thức sau
a, 15xy / 3x²y
b, 25x² + 5x / 5x +1
c, 15x ( x+y)³/ 5y (x+y)²
d, 5x²+10xy +5y²/ 3x³+3y³
e, 5 (x-y) – 3x (y-x) / 10 (x-y)
g, x²-xy / 3xy -3y²
h , x² + 4y² – 4 xy -4 / 2x²- 4xy +4x
i , -15x(x-y)/3(y-x)
k, 2x²-7x+3/1-4x²

Comments ( 1 )

  1. 2 câu cuối bn lm tương tự nha! 
    Chúc bn học tốt nè!
    @Parkchaeyoung

    toan-lop-8-rut-gon-cac-phan-thuc-sau-a-15y-3-y-b-25-5-5-1-c-15-y-5y-y-d-5-10y-5y-3-3y-e-5-y-3-y

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

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