Question

выполните действия( 11 5/11 - 8 21/22): 1 2/3

Answer 1

$(11 frac{5}{11} - 8 frac{21}{22} ) : 1 frac{2}{3} = 1,5$
$11frac{5}{11} - 8 frac{21}{22} = frac{126}{11} - frac{197}{22}= frac{252-197}{22} = frac{55}{22} = frac{5}{2} = 2,5$
$2,5 : 1 frac{2}{3} = 2,5 : frac{5}{3} = 2,5*0,6=1,5$