19 - (9:3) =

34 + 18 + 6 + 52 =

14 + 3 - 2 x 6 =

20 - 3 x 2 - 6 =

14 - 3² + 2 x 4 =

2 + (6 - 5 ) ² =

(12 - 4 )² - (69 - 29) =

(4 x 5) x (9 - 5) =

(101 - 45) : 7 - 21 : 3 =

18 -  $\sqrt{64}$  + (72 : 8) =