Question

A-(-2)+{(-2)-[(2)+(-4)]}
B-(-3)+{(-8)-[(3)+(-3]}
C-(-4)+{(-7)-[(5)+(-5)]}
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Answer 1

Respuesta:

a)−(−2)−2−(2−4)

=2−2−(2−4)

=2−2−(−2)

=2+0

=2

b) −(−3)−8−(3−3)

=3−8−(3−3)

=3−8−0

=3+−8

=−5

c)−(−4)−7−(5−5)

=4−7−(5−5)

=4−7−0

=4+−7

=−3