Question

(3целых6/11-1,5)*2целых4/9

Answer 1

$displaystyle (3 frac{6}{11}-1,5)*2 frac{4}{9}=( frac{39}{11}- frac{15}{10})* frac{22}{9} = frac{39*22}{11*9}- frac{15*22}{10*9}= \ \ frac{39*2}{9}- frac{3*11}{9}= frac{78-33}{9}= frac{45}{9}=5$