Question

решите уравнение 2,3:69=х:6/7

Answer 1

$frac{2,31}{69} = frac{ frac{7}{6} }{7}$

$frac{1}{10} * frac{1}{3} = frac{x}{42}$

$frac{1}{30} = frac{x}{42}$

42=30х

30x=42

x=$frac{42}{30} = frac{7}{5}$

Answer 2

Лол