Question

Решите ради христа
((13,75+9*1/6)1,2))/((10,3-8*1/2)5/9)+((6,8-3*3/5)5*5/6)/((3*2/3-3*1/6)56)-27*1/6=

Answer 1

  ((13,75+9*1/6)1,2))/((10,3-8*1/2)5/9)=$frac{( frac{1375}{100}+9*frac{1}{6}* frac{12}{10})}{ (frac{103}{10}-8* frac{1}{2}* frac{5}{9} ) }= frac{ frac{1375}{100} + frac{9*1}{6}*frac{12}{10}}{frac{103}{10}-frac{8*1}{2}*frac{5}{9}}=frac{ frac{1375}{100}+frac{9}{6}*frac{12}{10}}{frac{103}{10}-frac{8}{2}*frac{5}{9}} =frac{frac{1375}{100}+frac{9*12}{6*10}}{frac{103}{10}-frac{8*5}{2*9}}=frac{frac{1375}{100}+frac{108}{60}}{frac{103}{10}+frac{40}{18}}=frac{ frac{1375*3}{100*3}+ frac{108*5}{60*5} }{ frac{103*9}{10*9}- frac{40*5}{18*5}}= frac{ frac{4125+540}{300} }{ frac{927-200}{90}}= frac{ frac{4665}{300}}{ frac{727}{90}}= frac{4665*90}{300*727}= frac{419850}{218100}= frac{2799*150}{1454*150}= frac{2799}{1454}=$$=1 frac{1345}{1454}$

((6,8-3*3/5)5*5/6)/((3*2/3-3*1/6)56)=$frac{ frac{68}{10}- frac{9}{5}*5* frac{5}{6}}{ (frac{6}{3}- frac{3}{6})*56}=frac{ frac{68}{10}- frac{9*2}{5*2}*5* frac{5}{6}}{ (frac{6*2}{3*2}- frac{3}{6})*56}=frac{ frac{68}{10}- frac{18}{10}*5* frac{5}{6}}{ (frac{12}{6}- frac{3}{6})*56}=frac{ frac{50}{10}*5* frac{5}{6}}{frac{9}{6}*56}=frac{ frac{1250}{60}}{frac{504}{6}}=frac{1250*6}{60*504}=frac{7500}{30240}=<span>frac{125}{504}</span>$

$</span>1frac{1345}{1454}+frac{125}{504}-27*frac{1}{6}=frac{1*1345}{1454}+frac{125}{504}-frac{27*1}{6}= frac{1345}{1454}+frac{125}{504}-frac{27}{6}=frac{1345*252}{1454*252}$$+frac{125*727}{504*727}-frac{27}{6}= frac{338940}{366408}+ frac{90875}{366408}-frac{27}{6}= frac{429815}{366408}-frac{27}{6}=frac{27*61068}{6*61068}=$$frac{429815}{366408}- frac{1648836}{366408}=- frac{1219021}{366408}=-3 frac{119797}{366408}=-3,3269497....$

Answer 2

блин, сейчас подправлю

Answer 3

я надеюсь что правильно решила...