Question

срочно !!!!!!!!!!!!!

Answer 1

(40/8-19/8)*(25/6-18/6)=21/8 * 7/6= 147/48

Answer 2

(5-2 3/8) * (4 1/6-3 )= 2 5/8* 1 1/6=21/8*7/6=3
3*50:100=1,5

Answer 3

как написано так и есть