Объяснение:
c(y+c)/c(c/y+c/y+c)=c(y+c)+yc/y(y+c)=yc+c^2+yc/y(y+c)=2yc+c^2/y(y+c)
y+c/c*2yc+c^2/y(y+c)=2yc+c^2/yc
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Объяснение:
c(y+c)/c(c/y+c/y+c)=c(y+c)+yc/y(y+c)=yc+c^2+yc/y(y+c)=2yc+c^2/y(y+c)
y+c/c*2yc+c^2/y(y+c)=2yc+c^2/yc