2x(4-2)
10 (34+45)
(3×4)+(3×6)-(3×2)
2x(5+2)/2
100- (3×(6+8))
(5×6)-(5×4)
340+450=790
5x(6-4)
58
(14/2)=7
(2×4)-(2×2)
12+18-6=3×(4+6-2)=24
