break a 7x7x7 cube into smaller cubes in 1x1x1, or 2x2x2, or 3x3x3 combination, what is the minimum number of cubes that can be achieved?
我缺乏空间想象能力。拜托 cube 玩得好的帮忙算个题:
本帖于 2015-01-11 08:52:43 时间, 由普通用户 heure 编辑
break a 7x7x7 cube into smaller cubes in 1x1x1, or 2x2x2, or 3x3x3 combination, what is the minimum number of cubes that can be achieved?