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Uprav výrazy:
\( \Large\frac{{{{21}^{2{{n}}-2}}\cdot{{15}^{n+2}}\cdot{{49}^{n}}}}{{{{20}^{2n-5}}\cdot{{14}^{n-2}}\cdot{{16}^{3-2n}}}} \)
\( \large = {5^{7-n}} \cdot {\left( {2 \cdot 3 \cdot 7} \right) ^{2n}} \)
\( \large = {5^{8-n}} \cdot {\left( {2 \cdot 3 \cdot 7} \right) ^{3n}} \)
\( \large = {5^{7-n}} \cdot {\left( {2 \cdot 3 \cdot 5} \right) ^{3n}} \)
\( \large = {5^{7-n}} \cdot {\left( {2 \cdot 3 \cdot 7} \right) ^{3n}} \)