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Упрости выражение:

1. \(\cfrac{5a^3}{2b^3c^3}\ \cdotp \cfrac{6b^4}{11c^6} \vcentcolon \cfrac{15ab}{44c^8}= \cfrac{5a^3 \cdotp 6b^4 \cdotp 44c^8}{2b^3c^3 \cdotp 11c^6 \cdotp 15ab}=\) [ ];

2. \(\cfrac{35m^2n}{p^2} \vcentcolon \cfrac{7mn^5}{6p^5} \vcentcolon \cfrac{4n^4}{m^3} =\) [ ];

3. \((-\cfrac{3x^4y^3}{2z^8})^3 \vcentcolon (-\cfrac{3x^4y^2}{2z^4})^4 = -\cfrac{(3x^4y^3)^3}{(2z^8)^3}\ \cdotp \cfrac{(2z^4)^4}{(3x^4y^2)^4}=\) [ ];

4. \((\cfrac{7a^6}{b^9})^5 \vcentcolon (\cfrac{7a^{10}}{b^{16}})^3 =\) [ ].