Answers

2014-10-30T20:49:51+08:00
2014-10-31T21:12:08+08:00
63/3+4-(6-2)=21+4-4=25-4=21
6*7/3-8+3=42/3-11=7-11=-4
(45/9)+(4*12)=5+48=53

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