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25 December, 07:52

Dado os intervalos A = (x e r/-4< x <2) e b = (x e r/-2< x <4)

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  1. 25 December, 08:02
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    A) AUB = ao conjunto B ou seja {-2,-1,0,1,2,3,4}

    B) AUB = {-3,-2,-1,0,1,2,3,4,5,6,7}

    ? · 7 anos atrás
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