楼主: 龚永明魔方
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你能严格证明红蓝二个三角形不能拼成正方形吗? |
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完全F2L
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鲁班锁吧http://tieba.baidu.com/f?kw=%C2%B3%B0%E0%CB%F8
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回复
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回复 88#
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