Question

calcule a o número na segunda coluna
a) - 8+6-1 ( ) 8
b - 2-4-1 ( ) -13
c)12-7 +3 ( ) -4
d)4+13-21 ( ) -3
e) (+8) - (+5) ( ) 3
f)(-8) +(+5) ( )-7
​

Answer 1

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Resposta:

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Explicação passo-a-passo:

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