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2014-11-04T16:55:01+02:00
5 x 3la puterea adoua - 2 la puterea 10 : 2 la puterea 5 =
= 5 x 3 la puterea a doua - 2 la puterea ( 10 - 5 ) =
= 5 x 3 la puterea a doua - 2 la puterea 5 =
= 5 x 9 - 32 =
= 45 - 32 =
= 13