Question

4 1/2+(-3)* 2 3/4=
1/4-5/3+2=
(3,25-3 3/3)*(-2 2/5)=
-(5/6+1/3):(2 2/3-1 3/4)=
prosze szbyko daje naj

Answer 1

4 1/2+(-3)* 2 3/4=4 1/2+1/3*11/4=4 1/2+11/12= 4 6/12+11/12=4 17/12= 5 5/12

1/4-5/3+2= 3/12-20/12+2=2 20/12-3/12= 2 17/12=3 5/12

(3,25-3 3/3)*(-2 2/5)=(3 24/100-3 3/3)*(-12/5)=(3 1/4-3 3/3)*(-12/5)=3 3/12-3 12/12*(-12/5)=4-3 3/12*(-12/5)=15/12*(-12/5)=-3

-(5/6+1/3):(2 2/3-1 3/4)=-(5/6+2/6):(2 8/12-1 9/12)=-7/6:11/12=-7/6*12/11=-14/11=-1 3/11