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

Toán Lớp 8: Tính $\frac{2x}{y+x}$ +$\frac{2y}{x+y}$

Toán Lớp 8: Tính
$\frac{2x}{y+x}$ +$\frac{2y}{x+y}$

Comments ( 2 )

  1. ~ Bạn tham khảo ~
    [2x]/[y+x] + [2y]/[x+y]
    = [2x+2y]/[x+y]
    = [2(x+y)]/[x+y]
    = 2/1
    = 2

  2. @Bao
    (2x)/(y+x)+(2y)/(x+y)
    =(2x+2y)/(x+y)
    =(2(x+y))/(x+y)
    =2/1

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