Question

Resolver la suma algebraica:

A) 1+7-12+6-13+-11=

B) 7-(6-4+12-3+4)+(-9)=​

Answer 1

HoLa!▪•▪

1+7-12+6-13+-11=

=8−12+6−13−11

=−4+6−13−11

=2−13−11

=−11−11

=−22

7-(6-4+12-3+4)+(-9)=

=7−(2+12−3+4)−9

=7−(14−3+4)−9

=7−(11+4)−9

=7−15−9

=−8−9

=−17