Question

3/5 : 9/10- 3/5 * 8/9 СРОЧНООО!!! Плиииз!!!

Answer 1

$frac{3}{5} : frac{9}{10} - frac{3}{5} * frac{8}{9} = frac{3}{5} * frac{10}{9 } - frac{3}{5} * frac{8}{9} = frac{2}{3} - frac{8}{15} = frac{10}{15}- frac{8}{15}= frac{2}{15}$