Question

Ayuda plis
a) 3 – 9 + 4 – 8 – 2 + 13 = – =
b) –15 – 4 + 12 – 3 – 11 – 2 = – =

Answer 1

Hola!

Resolver:

3 – 9 + 4 – 8 – 2 + 13 =

=−6+4−8−2+13

=−2−8−2+13

=−10−2+13

=−12+13

=1

–15 – 4 + 12 – 3 – 11 – 2 =

=−19+12−3−11−2

=−7−3−11−2

=−10−11−2

=−21−2

=−23