Question

решите алгебраическую дробь по шагам
(76∙102∙130∙108)/(162∙78∙68∙144).

Answer 1

$\frac{76 \times 102 \times 130 \times 108}{162 \times 78 \times 68 \times 144} = \frac{38 \times 17 \times 65 \times 3}{81 \times1 3 \times 34 \times 4} = \\ \frac{19 \times 5}{27 \times 2 \times 2} = \frac{95}{108}$