Question

Resuelve eliminando simbolos de agrupacion:
[61-70+(-50+21]+4-(+40+29-37)

Answer 1

Te lo resuelvo paso a paso:

61-70-50+21+4-40-29+37=
-9-50+21+4-40-29+37=
-59+21+4-40-29+37=
-38+4-40-29+37=
-34-40-29+37=
-74-29+37=
-103+37=-66

A.