Question

me ayudan a resolverlo ?? 2/3 - [-1/2+1-(3/4-5/12-1/2)-2]-1/4-{-1+[2/3(-13/4-7/3)]}

Answer 1

2/3-[-(1+2)/2-(9-5-6)/12-2]-1/4-{-1+[2/-3(-39-28)/12]}

2/3-16/12-1/4-{-1-67/6}

2/3-16/12-1/4-{-73/6}

2/3-16/12-1/4+73/6

(8-16-3+146)/12

135/12

45/4