Questions d'entretien

Entretien pour Energy Analyst

-Houston, TX

Just Energy

1000 small cubes are made into one cube and painted and now taken apart then how many small cubes don't have paint on all three sides?

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512 without paint

Anonymous le

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Question asking how many small cubes without paint on three sides = the answer is 992. The big cube is 10 x 10 x 10. Only the small cubes at the corner (8 corners) get painted on three sides. Rest are either 0, 1, 2 sides painted. In sum, 1000 - 8 = 992 small cubes have less than 3 sides painted.

Utilisateur anonyme le

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