(7.8/2) X 12
7.8
5.6 + ( 3 X 9.6 -4.8)
29.6
[(4.8 x 3.4)-9.28]
5
5.6 + [(3.1 x 4)-7.3] + 52
35.7
72-[(62-22.4) + (8/0.5)] + 3.8
23.2
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