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四人分享美酒.[:P]
设volumes of cup A=8,B=8,C=3;开始A和B满, C空. 以下操作过程总是用C作量具:
A8C0B8-->A8C3B5 (take 3) A8C0B5-->A8C3B2 (take 2) A8C3B0-->A8C0B3..(repeat moving from A to B using C)..-->A2C1B8 (take 1) A2C0B8-->A0C2B8-->A0C3B7-->A3C0B7..(repeat moving from B to A)-->A8C1B1(take 1 & 1) A8C0B0-->divide into 3, 3, and 2
In this process, we got 3, 2, 1, 1, 1, 3, 3, 2 So, 3+1=4, 3+1=4, 3+1=4, 2+2=4 www.ddhw.com
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