Question

i.
y
Si A=-8 + 9-8 + 7-5-40
B = (12-14) = (-2) + (-10-8 +15), halla A + B.

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Answer 1

A=-16-45+9+7

A=-61+16

A=-45

B=-2=-2-3

B-2=-5

B=-5/-2

B=2,5

A+B =-42.,5