怎样简便怎样算:11/12-(1/12+1/8)

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怎样简便怎样算:11/12-(1/12+1/8)

怎样简便怎样算:11/12-(1/12+1/8)
怎样简便怎样算:11/12-(1/12+1/8)

怎样简便怎样算:11/12-(1/12+1/8)
11/12-(1/12+1/8)=11/12-1/12-1/8=10/12-1/8=5/6-1/8=1-(1/6+1/8)=1-7/24=17/24

11/12-(1/12+1/8)
=11/12-1/12-1/8
=5/6-1/8
=20/24-3/24
=17/24

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