$a=$ Calculate $$ Etanol $=q,$ Mtop $=q,..$; M bottom$=q,$

$b=\sqrt[\phantom{2}]{x^4+e^x-\frac{51}{x}}$;$x=4$:$0\mathrm{.}001$:$18$;$b_{25}=$cdots

$c=\frac{3}{4}xy-\frac{7x}{y^2}+\sqrt[\phantom{2}]{x{y}^2}$;$x=$ linspace $(2,8)$; and $y=$ linspace $(6,15)$;$c\mathrm{.}60=$cdotsdotsdots.

$d=x{y}^3-\frac{x+y}{|(x-y){|}^2}+\sqrt[3]{\frac{x+y}{(2x-y)}}$;$x=$linspace$(3,7)$;$y=$linspace$(9,14)$;$d_{25}=$dotsdotsdotsdots...

$e=\frac{a}{b}+\frac{d-c}{d+c}-(d-b{)}^2$;$a=12$;$b=$linspace$(9,14)$;$c=\frac{3a}{b^2}$;$d=\frac{(a-b)c}{(a+c)}$;$e_{50}=$dotsdotsdotsdots.

$f=e^{(\frac{d-c}{a-2b})}+ln(|c-d+\frac{b}{a}|)$;$a=22$;$b=$linspace$(9,14)$;$c=\frac{3a}{b^2}$;$d=\frac{(a-b)c}{(a+c)}$;$f_{75}=$dotsdotsdots..