Oct 12



Menu: provas

T C 14 – 12-09-2006

Resolva os seguintes cálculos:

i (-15) x (-4) : (+30) =

ii (-7) – (+4) x (-30) =

iii (-9) + (-15) : (+5) =

iv (+7) – (+12) : (+13) =

v (+7) x (-4) + (+2) x (-8) =

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