Объяснение:
3)
27/m^6:36/m^7n^2=
=27/m^6×m^7n^2/36=
=3/4mn^2
4)
5x-5y /x^6 × x^3/x-y=
5(x-y) /x^6 ×x^3/x-y=
=5/x^3
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Объяснение:
3)
27/m^6:36/m^7n^2=
=27/m^6×m^7n^2/36=
=3/4mn^2
4)
5x-5y /x^6 × x^3/x-y=
5(x-y) /x^6 ×x^3/x-y=
=5/x^3