Odpowiedź:
Szczegółowe wyjaśnienie:
[tex]a)s=\frac{at^{2} }{2} /*2\\2s=at^{2} /:\ t^{2} \\\frac{2s}{t^{2} } =a\\\\b) \frac{T_{1} }{V_{1} } = \frac{T_{2} }{V_{2} } /*V_{1} V_{2} \\T_{1} V_{2} =T_{2} /:T_{1}\\V_{2}=\frac{T_{1}}{T_{2} }[/tex]
c)3by-z-a=2by
-a=2by-3by+z
-a = -by+z/* (-1)
a=by-z