[tex]szukana\ liczba:\ x\\\\27\%=0,27\\\\0,27x=189\ \ |*100\\\\27x=18900\ \ |:27\\\\x=700\\\\Odp.\ Szukana\ liczba\ wynosi\ 700 .[/tex]
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[tex]szukana\ liczba:\ x\\\\27\%=0,27\\\\0,27x=189\ \ |*100\\\\27x=18900\ \ |:27\\\\x=700\\\\Odp.\ Szukana\ liczba\ wynosi\ 700 .[/tex]