Question

Calculați :

${6}^{30} \div ( {2}^{27} \times {3}^{28} ) =$
$( {a}^{5} \times {a}^{2} )^{3} \div ( {a}^{4})^{5}$
$x \times ( {x}^{5} \div {x}^{4} ) ^{2}$

Answer 1

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