1
punto
Livello 0
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215)
$\dfrac{\dfrac{4}{5}c-\dfrac{1}{8}a}{\dfrac{3}{8}b^2}=$ → con: $a=3; b= \dfrac{1}{5}; c= \dfrac{1}{16}$
$=\dfrac{\dfrac{4}{5}·\dfrac{1}{16}-\dfrac{1}{8}·3}{\dfrac{3}{8}·\left(\dfrac{1}{5}\right)^2}=$
$=\dfrac{\dfrac{\cancel4^1}{5}·\dfrac{1}{\cancel{16}_4}-\dfrac{3}{8}}{\dfrac{3}{8}·\dfrac{1}{25}}=$
$=\dfrac{\dfrac{1}{20}-\dfrac{3}{8}}{\dfrac{3}{200}}=$
$=\dfrac{\dfrac{2-15}{40}}{\dfrac{3}{200}}=$
$=\dfrac{-\dfrac{13}{40}}{\dfrac{3}{200}}=$
$=-\dfrac{13}{40}·\dfrac{200}{3}=$
$=-\dfrac{13}{\cancel{40}_1}·\dfrac{\cancel{200}^5}{3}=$
$=-13·\dfrac{5}{3}=$
$=-\dfrac{65}{3}$
55832
punti
Genius I