Question

найди значение произведений 2/3×6/7,4/7×21/40,27/32×8/9,5/11×22/25,8/35×5/12, помогите пожалуйста.

Answer 1

$frac{2}{3} times frac{6}{7} = frac{4}{7} \ frac{4}{7} times frac{21}{40} = frac{3}{10} \ frac{27}{32} times frac{8}{9} = frac{3}{4} \ frac{5}{11} times frac{22}{25} = frac{2}{5} \ frac{8}{35} times frac{5}{12} = frac{2}{21}$