Question

21-5.12+3-(2-4)+(77):(-7)

Answer 1

Sua conta:

21-5.12+3-(2-4)+(77):(-7)

=21−60+3−(−2)+(−11)=

=−39+3−(−2)+(−11)=

=−36−(−2)+(−11)=

=−34+(−11)=

=−45