Question

(-3+1-9)+(-1-2-5)(-21+2)​

Answer 1

Hola!

Resolvemos.

(-3+1-9)+(-1-2-5)(-21+2)

−3+1−9+(−1−2−5)(−21+2)

=−2−9+(−1−2−5)(−21+2)

=−11+(−1−2−5)(−21+2)

=−11+(−3−5)(−21+2)

=−11+−8(−21+2)

=−11+(−8)(−19)

=−11+152

=141

Salu2!!

kiy_.