=[(1/4 +7/2)-2/5 -(5/2)[(36-3)/9 -1/2]+19^4=
=[(1+14)/2 -2/5 -(5/2)[33/9 -1/2]+19^4=
=[15/2 -2/5 -(5/2)[11/3 -1/2]+19^4=
=[(15x5-2x2)/10 -(5/2)(22-3)/6]+19^4=
=[71/10 -(5/2)(19/6)]+19^4=
=71/10 -95/12 +19^4=
=19^4 -49/60
Un rezultat ''urat'', poate l-ai copiat gresit (exercitiul).
