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Re:这个式子推不出的那些,哪些是无解,哪些需要先算了放着呢?In Reply To:这个式子推不出的那些,哪些是无解,哪些需要先算了放着呢? Posted by:BunnyQ at 2004-09-13 21:06:36 小于80的都用搜索，而且可以看出32-80均有解，这样更大的数用不断减2或9再除2的方法总可以保证落到32-80的范围内，也就是大于32的所有数都有解了！ :) Followed by: Post your reply here: |
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