February 2019 0 24 Report
Rozwiąż równania w postaci proporcji.
a)  \frac{x}{5} =  \frac{2}{3}
b)  \frac{3}{x} =  \frac{1}{2}
c)  \frac{x+1}{3} =  \frac{2x-5}{2}
d)  \frac{x}{x-7} =  \frac{2}{3}
e)  \frac{5}{2x-1} =  \frac{4}{(3x+5)}
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