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2018-11-03 · 知道合伙人教育行家
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第二次倒出:
100x(1-1/3)x1/4
=100x2/3x1/4
=50/3(千克)
最后余下:
100x(1-1/3)x(1-1/4)x(1-3/5)
=100x2/3x3/4x2/5
=100x1/5
=20(千克)
100x(1-1/3)x1/4
=100x2/3x1/4
=50/3(千克)
最后余下:
100x(1-1/3)x(1-1/4)x(1-3/5)
=100x2/3x3/4x2/5
=100x1/5
=20(千克)
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