如题所述
第1个回答 2018-08-28
第2个回答 2023-03-19
那就是
=2/3-(1/4+1/4)
=2/3-2/4
=4/6-3/6
=1/6本回答被网友采纳
=2/3-(1/4+1/4)
=2/3-2/4
=4/6-3/6
=1/6本回答被网友采纳
第3个回答 2018-08-28
2/3-1/4-1/4
=2/3-(1/4+1/4)
=2/3-1/2
=4/6-3/6=1/6
=2/3-(1/4+1/4)
=2/3-1/2
=4/6-3/6=1/6
第4个回答 2020-04-20
2/3-1/4-1/4=8/12-3/12-3/12=2/12=1/6