5 – 2 x 2 x 12 – 3 x 3 + 15 – 4 =
(12 – 5) x (14 – 6) ÷ (8 – 6) =
{31 – 5 x (27 – 8 x 3)} + 25 – 8 ÷ 2 =
7 + 6 - 3 x 4 =
(3 + 2) x 5 – (4 + 9) =
{12 + 3 x (17 – 4 x 3)} + 15 – 4 x 3 =
16 ÷ 2 x 4 – 3 x (10 – 3 x 3) =
37
1
28
29
14
30
12