Ответ(ы) на вопрос:
3(x-y)^2*2(x-y)^2/-6(x-y)^3=(x-y)/-1=y-x
............................................................................................... [latex]\frac{3^{2}(x-y)^{2}2^{2}(x-y)^{2}}{6^{3}(x-y)^{3}}=\frac{6^{2}(x-y)^{4}}{6^{3}(x-y)^{3}}=\frac{x-y}{6}[/latex] .........................................................................
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