Počítanie so zátvorkami

(4x3)+2=
4x(3+2)=
(7x6)-9=
(24:6)+2=
3+(9:3)=
4x(4:4)=
3+(2+7)=
(81:9)+1=
(2+2)x2=
4-(9:3)=
(21:7)+5=
45-(2x3)=
(7-4):3=
7+(9x2)=
5+(6x4)=