Many people have heard the legend of Wu Gang cutting osmanthus trees. Because Wu Gang's ability to cut down trees is limited, no matter how Wu Gang cuts them down, the osmanthus trees can always be restored in the same night. So Wu Gang can't always cut down the osmanthus tree, but the osmanthus tree's daily restoration ability is limited. If Wu Gang learns Monkey King's avatar technique, he can cut down the osmanthus tree. When Wu Gang becomes a clone, it will take 10,000 years to cut down the osmanthus tree ． It will take 1000 years to cut down the osmanthus tree when Wu Gang conjures three clones. If he wants to cut down the osmanthus tree within 100 years, then at least how many clones Wu Gang must conjure up. (Assume that each avatar has the same tree-cutting ability as Wu Gang himself)
很多人都听说过吴刚砍桂树的传说，因为吴刚砍树能力有限，所以无论吴刚怎么砍，桂树总是在当天夜里能还原．所以吴刚总是砍不到桂树，但是桂树每天的还原能力是有限的，如果吴刚学会孙悟空的分身术就可以砍倒桂树了，当吴刚变出一个分身时砍倒桂树要10000年．当吴刚变出三个分身时砍倒桂树要1000年．如果他想在100年内砍倒桂树，那么吴刚最少要变出多少个分身．(假定每个分身与吴刚本人砍树能力相同)
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