18. What is the maximum number of rectangular blocks, each with dimensions 12 centimeters by 6 centimeters by 4 centimeters, that will fi t inside rectangular Box X ? (1) When Box X is fi lled with the blocks and rests on a certain side, there are 25 blocks in the bottom layer. (2) The inside dimensions of Box X are60 centimeters by 30 centimeters by 20 centimeters. 希望各位能够帮助小弟，没怎么理解题目。
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发表于 2012-7-21 13:52:57
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