(2y/x-x/2y):(2y+x) при x=1/6 y=1/2

5
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(2y/x-x/2y):(2y+x)=((4y²-x²):2yx):(2y+x)=((2y+x)(2y-x)):2yx):(2y+x)=(2y-x):2xy=(1-1/6):1/6=5