Algebra

Question

[attach]62410[/attach]  Problemi 365 per favore. Grazie mille

gramor · Accepted Answer

[attach]62425[/attach] ========================================================= 365) $- frac {8}{33}· big (- frac {3}{8}+ frac {7}{6}- frac {5}{4} big )- big ( frac {1}{5}- frac {7}{10} big )·(-2)=$ $=- frac {8}{33}· big ( frac {-9+28-30}{24} big )- big ( frac {2-7}{10} big )·(-2)=$ $=- frac {8}{33}· big (- frac {11}{24} big )- big (- frac {5}{10} big )·(-2)=$ $=- frac {1}{3}· big (- frac {1}{3} big )- big (- frac {1}{2} big )·(-2)=$ $= frac {1}{9}-1=$ $= frac {1-9}{9}=$ $=- frac {8}{9}

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