👤

-15+{-1+[7-(+14-3)]-7} AJUTATIMA

Răspuns :

-15+{-1+[7-(+14-3)]-7} =--15+{-1+(7-11)-7} =-15+{-1+(-4)-7} =-15+(-5-7)=-15-12=-27
-15+[-1+(7-11-7)]=-15+(-1-11)=-15-12=-27