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2014-09-18T00:12:27+03:00
2014-09-18T00:12:56+03:00
25 - [27 : ( 12-3) + 6x3]=
= 25 - ( 27: 9 + 18)
= 25 - (3+18)
= 25 - 21
= 4
1 5 1