Associe corretamente as colunas.
Coluna 1 Coluna 2
a) (–15) . (+4) ( ) –130
b) (–520) : (–4) ( ) - 60
c) (–2) . (+65) ( ) +12
d) (-144) : (–12) ( ) +130
Soluções para a tarefa
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4
( C ) –130
( A ) – 60
( D ) +12
( B ) +130
( A ) – 60
( D ) +12
( B ) +130
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