Question

Решите, главное В1 и С1

Answer 1

$\frac{ {7}^{8} \times {49}^{2} }{{( - {7}^{2})}^{5} } = \frac{ {7}^{8} \times {7}^{4} }{ - {7}^{10} } = \frac{ {7}^{12} }{ - {7}^{10} } = - {7}^{2}$
${( {x}^{4} \times {x}^{11}) }^{3} \div {x}^{2} = \frac{ {x}^{45} }{ {x}^{2} } = {x}^{43}$