Question

2/9 * (3/10 * 7/8) пж решите наиболее удобным способом

Answer 1

$frac{2}{9} times ( frac{3}{10} times frac{7}{8} ) = frac{7}{120}$



$1) : frac{3}{10} times frac{7}{8} = frac{3 times 7}{10 times 8} = frac{21}{80}$


$2) : frac{2}{9} times frac{21}{80} = frac{2 times 21}{9 times 80} = frac{1 times 7}{3 times 40} = frac{7}{120}$