
展开全部
5/6+11/12+23/24+47/48+95/96+191/192
=1-1/6+1-1/12+1-1/24+1-1/24+1-1/48+1-1/192
=6-(1/6+1/12+1/24+1/48+1/96+1/192)
=6-(1/6+1/12+1/24+1/48+1/96+1/192+1/192-1/192)
=6-(1/6+1/12+1/24+1/48+1/96+1/96-1/192)
=6-(1/6+1/12+1/24+1/48+1/48-1/192)
=6-(1/6+1/12+1/24+1/24-1/192)
=6-(1/6+1/12+1/12-1/192)
=6-(1/6+1/6-1/192)
=6-(1/3-1/192)
=6-(64/192-1/192)
=6-63/192
=6-21/64
=5+43/64
=5又43/64
=1-1/6+1-1/12+1-1/24+1-1/24+1-1/48+1-1/192
=6-(1/6+1/12+1/24+1/48+1/96+1/192)
=6-(1/6+1/12+1/24+1/48+1/96+1/192+1/192-1/192)
=6-(1/6+1/12+1/24+1/48+1/96+1/96-1/192)
=6-(1/6+1/12+1/24+1/48+1/48-1/192)
=6-(1/6+1/12+1/24+1/24-1/192)
=6-(1/6+1/12+1/12-1/192)
=6-(1/6+1/6-1/192)
=6-(1/3-1/192)
=6-(64/192-1/192)
=6-63/192
=6-21/64
=5+43/64
=5又43/64
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