Question

(15/14-12/25):23/35 решение

Answer 1

$( frac{15}{14} - frac{12}{25} ): frac{23}{35} =( frac{15}{14} - frac{12}{25} ): frac{23}{35} = frac{15*25-14*12}{14*25} * frac{35}{23} = frac{375-168}{350} * frac{35}{23} =$$frac{207}{350} * frac{35}{23} = frac{23*9*35}{35*10*23} =frac{9}{10}$