2019 Math Kangaroo Levels 5-6 Problem #29
Автор: STEM4all
Загружено: 2019-08-31
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2019 Math Kangaroo Levels 5-6 Problem #29
29. Linus builds a 4 × 4 × 4 cube made up of 32 white and 32 black 1 × 1 × 1 cubes. He arranges the cubes so that the surface of the big cube has as much white as possible. Which fraction of the surface is white?
(A) ¾ (B) ⅔ (C) ½ (D) ⅜ (E) ¼
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