5 Resuelve
a) (2-10) + [5 -(872)]=(-8)
b) (12-3) - [1-(2-6)] =
C) [9-(+5)] + [7+(10)
d) [10 -(-2)] - [5-(-112)] =
e) [8 (644)] - (5-7)=
f) [1+(6-9)] - (8-12)​