The length, width and height of a rectangular block are 10 cm, 8 cm and 6 cm respectively. If you saw it into the largest cube, how many percent of its volume will be reduced?
(10 × 8 × 6-6 × 6) / (10 × 8 × 6) = (480-216) / (480 = 264) / (480 = 55%); a: the volume is reduced by 55%
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