01 Íàéäèòå çíà÷åíèå âûðàæåíèÿ .
ÐÅØÅÍÈÅ
1.5/(1+1/5)
http://www.wolframalpha.com/input/?i=1.5%2F%281%2B1%2F5%29
=
ÎÒÂÅÒ
1.25