05 Íàéäèòå çíà÷åíèå âûðàæåíèÿ .
ÐÅØÅÍÈÅ
(7.5+3.5)/(2.5)
http://www.wolframalpha.com/input/?i=%287.5%2B3.5%29%2F%282.5%29
=
ÎÒÂÅÒ
4.4