]]>http://www.mathisfunforum.com/profile.php?id=676942021-11-07T08:46:42Zhttp://www.mathisfunforum.com/viewtopic.php?pid=421723#p4217231.solve in |x+2|≥|x+1| 2.if find the valuo of ]]>http://www.mathisfunforum.com/profile.php?id=87752021-11-06T20:06:08Zhttp://www.mathisfunforum.com/viewtopic.php?pid=421718#p421718