1.Given set T = { x € Z | x = 3k , -4<_ k < 4 , k € Z } . Tìn the sum of all elements of T.
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2. For a dinner party , abraham is creatingindividual servings of starters . He has 9 carrot sticks and 18 celery sticks . If he wants each serving to be identical , with no food left over , what is the greatest number of servings Abraham can create ?
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