Question

Urgent va rog mult..

Answer 1

a) (5/4-7/12) : 2/5 - 4/3= (15/12-7/12) :2/5 - 4/3= 8/12 *5/2- 4/3= 5/3-4/3=1/3

b)(7/6-3/11) *(2/9-5/6)= (77/66-18/66) *((4/18-15/18)= 59/66* (-11/18)= -59/108

c)(13/8-7/12) : (5/6-3/2)=(39/24-14/24) :(5/6-9/6)=25/24 : (-4/6)=25/24* (-6/4)=
= -25/16