1)3*(-1/2)²- 2*(1/6)=3/4-2/6=9/12-4/12=5/12
2)0,5*(1/6)-2*(1/2)=5/60+1
(5/6):(65/60)=5/6*(60/65)=10/13
1)3*(-1/2)²- 2*(1/6)=3/4-2/6=9/12-4/12=5/12
2)0,5*(1/6)-2*(1/2)=5/60+1
(5/6):(65/60)=5/6*(60/65)=10/13