5a+6b/3a²bc+3b-4a/3ba²c-a+3b/3cba²计算

5a+6b/3a²bc+3b-4a/3ba²c-a+3b/3cba²计算
5a+6b/3a²bc+3b-4a/3ba²c-a+3b/3cba²计算

5a+6b/3a²bc+3b-4a/3ba²c-a+3b/3cba²计算
5a+6b/3a²bc+3b-4a/3ba²c-a+3b/3cba²
=（5a+6b-4a+3b-a-3b）/3a²bc
=6b/3a²bc
=2/a²c
如追加其它问题,

检举|2013-03-18 19:16提问者：夏若伊