Question

а) (1.8-4.2)-(-3.3+5.1)

б) -(18+512)+(-1 13+1.5)

 

 

Answer 1

 (1.8-4.2)-(-3.3+5.1)= -2,4-1,8=-4,2

-(1/8+512)+(-1 ц 1/3+1,5)=-13/24+1/6=924=3/8