若a小于0,化简|5a+|a||/3
问题描述:
若a小于0,化简|5a+|a||/3
答
|5a+|a||/3
=|5a-a|/3
=|4a|/3
=-4a/3
若a小于0,化简|5a+|a||/3
|5a+|a||/3
=|5a-a|/3
=|4a|/3
=-4a/3