Question

4,2:(2,25-1 целую 7/8*3целых1/3)

Answer 1

4,2:(2,25-15/8*10/3)=4,2:(2,25-25/4)=4,2:(2,25-6,25)=4,2:(-4)=-1,05

Answer 2

$4.2 div (2.25 - 1 frac{7}{8} times 3 frac{1}{3} ) = \ = 4.2 div (2 frac{1}{4} - frac{15}{8} times frac{10}{3} ) = \ = 4 frac{1}{5} div ( frac{9}{4} - frac{5 times 5}{4} ) = \ = - frac{21}{5} times frac{1}{4} = - frac{21}{20} = \ = - 1 frac{1}{20} = - 1.05$