Obliczenia :
[tex]\frac{m}{a}=\frac{2}{b}\\\\2a=mb \ \ |:2\\\\a=\frac{mb}{2}[/tex]
[tex]Zadanie\\\\\frac{m}{a}=\frac{2}{b}\\\\2a=bm\ \ \mid:2\\\\a=\frac{bm}{2}[/tex]
