Д) (3 целых 1/14-2целых5/21)*(2,7-2,1)

Question

Д) (3 целых 1/14-2целых5/21)*(2,7-2,1)

Answer 1

(3 3/42-2 10/42)*0.6=(2 45/42-2 10/42)*0.6=35/42*0.6=35/42*6/10=5/10=0.5