01 Íàéäèòå çíà÷åíèå âûðàæåíèÿ  . 

ÐÅØÅÍÈÅ 

1/2-1.2-9/25 

http://www.wolframalpha.com/input/?i=1%2F2-1.2-9%2F25 

ÎÒÂÅÒ 

-1.06