rirovy 发表于 2018-8-10 09:54 P200 8.9.2 等腰三角形c1应为垂直底边方向吧?不是平行两腰方向?
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
手机版|小黑屋|第一证书
GMT+8, 2024-9-28 03:12 , Processed in 0.019102 second(s), 2 queries , Apc On.
Powered by Discuz! X3.2
© 2001-2013 Comsenz Inc.