Question

$3 \sqrt5 \left[ 4,(2)-1,44*0,05]+(-3 \frac{1}4} ):(- \frac{5}8} )$
$3,(25)-4 \left[\-2,1(15) -7:(-33)] + 7\sqrt{5}$

Answer 1

[tex]3 \sqrt{5} \cdot [4 \frac{2}{9} - \frac{144}{100} \cdot \frac{5}{100} ]+ \frac{13}{4} \cdot \frac{8}{5} =\\ = 3\sqrt{5}\cdot [ \frac{38}{9} - \frac{720}{10000} ]+ \frac{26}{5} =\\ =3 \sqrt{5} \cdot( \frac{380000}{90000} - \frac{6480}{90000} )+ \frac{26}{5}=\\ =3 \sqrt{5} \cdot \frac{373520}{90000}+ \frac{26}{5}=\\ = \frac{373520\sqrt{5}}{30000} + \frac{26}{5} [/tex]