BODMAS
5 + (7 x 8) x 3
23 x (6 x 3) + 15
123
52 - 3 + ( 5 x 4 )
42
(2+7) x 9
81
62 + (8 x 6)
84
82 + 3 + (6 x 7)
109
22 + (12- 10) x 4
12
43 - (12 x 3)
12
( 5 x 6 ) + 52 - 33
28
33 + 6 + (2 x 3)
39
(2 x 3 + 3) x 32
81
5 + ( 2 x 2 ) x 33
113