a) [tex]\frac{1}{2}+0{,}5=0{,}5+0{,}5=\boxed{1}[/tex]
b) [tex]1\frac{1}{2}-0{,}3=1{,}5-0{,3}=\boxed{1{,}2}[/tex]
c) [tex]0{,}75-\frac{1}{2}=0{,}75-0{,}5=\boxed{0{,}25}[/tex]
d) [tex]0{,}125-\frac{1\cdot125}{8\cdot125}=0{,}125-0{,}125=\boxed{0}[/tex]
e) [tex]\frac{3}{4}+0{,}25=0{,}75+0{,}25=\boxed{1}[/tex]
