Răspunsuri

2014-10-28T17:07:16+02:00
(3 ⁵² -3 ⁵¹ -3 ⁵°)²:(3 ⁵°x25)=[3⁵°(3²-3-1)]²:(3 ⁵°x25)=(3⁵°x5)²:(3 ⁵°x5²)=3¹°°x5²:3⁵°x5²=3⁵°