11 Íàéäèòå ÷àñòíîå îò äåëåíèÿ íà
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3.6*10^3/(9*10^(-1))
http://www.wolframalpha.com/input/?i=3.6*10%5E3%2F%289*10%5E%28-1%29%29
ÎÒÂÅÒ
4000