а) (1.8-4.2)-(-3.3+5.1) б) -(1\8+5\12)+(-1 1\3+1.5)

Question

а) (1.8-4.2)-(-3.3+5.1)

б) -(1\8+5\12)+(-1 1\3+1.5)

Answer 1

 (1.8-4.2)-(-3.3+5.1)= -2,4-1,8=-4,2

-(1/8+5\12)+(-1 ц 1/3+1,5)=-13/24+1/6=9\24=3/8