如题所述
第1个回答 推荐于2016-07-07
3又1/5÷[(5/6-1/2)×1又1/5]
=16/5÷(1/3×6/5)
=16/5÷2/5
=16/5×5/2
=8本回答被提问者采纳
=16/5÷(1/3×6/5)
=16/5÷2/5
=16/5×5/2
=8本回答被提问者采纳
第2个回答 2014-10-27
(5/6-1/2)*(1+1/5)÷(3+1/5)
=1/3*6/5÷16/5
=2/5*5/16
=1/8
=1/3*6/5÷16/5
=2/5*5/16
=1/8