Question

помогите пожалуйста​

Answer 1

$\frac{5 {}^{0} \times 25 {}^{ - 7} }{125 {}^{ - 6} \times 5 {}^{1} } = \frac{1 \times 5 {}^{ - 14} }{5 {}^{ - 18} \times 5 } = \frac{5 {}^{ - 14} }{5 {}^{ - 18} \times 5} = \frac{5 {}^{4} }{5} = 5 {}^{3} = 125$