如题所述
第1个回答 2011-07-17
11/12-(1/3-1/4)=11/12-1/12=10/12=5/6
第2个回答 2011-07-17
11/12-(1/3-1/4)=11/12-(4/12-3/12)=11/12-1/12=10/12=5/6
第3个回答 2011-07-17
11/12-(1/3-1/4)
=11/12-(4/12-3/12)
=11/12-1/12
=10/12
=5/6本回答被网友采纳
=11/12-(4/12-3/12)
=11/12-1/12
=10/12
=5/6本回答被网友采纳
