12 Íàéäèòå ÷àñòíîå îò äåëåíèÿ íà
ÐÅØÅÍÈÅ
=
4.5*10^2/(9*10^(-2))
http://www.wolframalpha.com/input/?i=4.5*10%5E2%2F%289*10%5E%28-2%29%29
ÎÒÂÅÒ
5000