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Lisa艳艳
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颜庄小店

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a rope is cut off 4 times, and each time a half part of the left is cut off.When the cutting comes to the 4th time, the length of the part left is 2 meters. Question:How many meter is the rope? 考外校的题,自己做做吧!!!!!!!!!!!!!!!!!!

培训机构英语作文奥数教师

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