Question

Sem calcular, analise as contas abaixo.

(I) (–1293) . (+421342) . (–9394324) . (+9333) (II) (–1293) . (–421342) . (–9394324) . (+9333) (III) (–1293) . (+421342) . (–9394324) . (–9333) (IV) (–1293) . (–421342) . (–9394324) . (–9333) (V) (+1293) . (+421342) . (+9394324) . (+9333) Em quais casos temos resultados positivos?

a. I, IV e V.

b. I, II, III, e IV.

c. II, III e IV.

d. II e III.​

Answer 1

Resposta:

(I) (–1293) . (+421342) . (–9394324) . (+9333) = POSITIVO

(II) (–1293) . (–421342) . (–9394324) . (+9333) = NEGATIVO

(III) (–1293) . (+421342) . (–9394324) . (–9333) = NEGATIVO

(IV) (–1293) . (–421342) . (–9394324) . (–9333) = POSITIVO

(V) (+1293) . (+421342) . (+9394324) . (+9333)= POSITIVO

a. I, IV e V.

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