Answers

2014-07-23T13:21:22+08:00
-3{-2[-12-4(12-4)-3(-12+3)]}
-3{-2[-12-48+16+36-9]}
-3{-2[-17]}
-3{34}
= -102
0
2014-07-24T14:30:59+08:00
-3{-2[-12-4(12-4)-3(-12+3)]}
=-3{-2[-12-4(8)-3(-9)]}
=-3{-2[-12-32-27)]}
=-3{-2[20-7)]}
=-3{-2[-7]}
=-3{14}
=-42
The answer is -42.

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