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2014-10-23T21:59:38+03:00
(3⁵²-3⁵¹-3⁵°)x2 : (9⁵⁰x25)= 3⁵⁰x(3²-3-1)x2:(3²)⁵⁰x5²=3⁵⁰x5x2:3¹°°x5²=2x3⁻⁵⁰x5⁻¹