$S=2a+2b$; $a=$? |
$a=\frac{S-2b}{2}$ |
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$P=2ab+2ac+2bc$; $b=$? |
$b=\frac{P-2ac}{2a+2c}$ |
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$v=v_{0}+at$; $t=$? |
$t=\frac{v-v_{0}}{a}$ |
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$\frac{1}{a}+\frac{1}{b}=\frac{1}{f}$; $a=$? |
$a=\frac{bf}{b-f}$ |
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$W=mgh+\frac{mv^{2}}{2}$; $h=$? |
$h=\frac{2W-mv^{2}}{2mg}$ |
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$V=\frac{1}{3}\pi r^{2}v$; $v=$? |
$v=\frac{3V}{\pi r^{2}}$ |
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$R=R_{1}\frac{U-U_{1}}{U_{1}}$; $U_{1}=$? |
$U_{1}=\frac{UR_{1}}{R+R_{1}}$ |