*cheer up*
says
光導作業好難又好多喔!!! 
掰噗~
says
喔不
Y(^B^)Y
says
擺鏡子那題- -"" 課本上好像都沒提到~"~
加油吧!! 
Yan Liu
says
*cheer up*
says
bloodlemon: 好像是!其實我都沒在上課!! 
*cheer up*
says
sheonly125: 快救我~ 
yuting1992: 我可能也沒辦法= = 跟我們的完全不一樣程度阿...
*cheer up*
says
sheonly125: 喔喔! 
路西法
says
yuting1992: 你只要告訴我第2題就好了,我其他飆完了
*cheer up*
says
hector_chang: 我還在難產中ㄝ!哀~
路西法
says
yuting1992: 還難產勒==
*cheer up*
says
hector_chang: 真的啊!!
路西法
says
yuting1992: 好啦!加油!我還有半題
*cheer up*
says
hector_chang: 蝦米?那麼快!
Y(^B^)Y
says
告訴我鏡子那提我就寫完了 ==
路西法
says
bloodlemon: 你再說第幾題?
Y(^B^)Y
says
第二頁!!
路西法
says
bloodlemon: 全部喔?
路西法
says
a借由2個會聚透鏡,從o到o
`的彎曲光樹可實現等效,o和o`是焦點
路西法
says
bloodlemon: 先告訴你第一小題,後面自己加油
*cheer up*
says
嘉彧好強喔! 
*cheer up*
says
hector_chang: 快教我秘訣~
路西法
says
yuting1992: ==我要怎嚜敎阿?
*cheer up*
says
Y(^B^)Y
says
第一小提?
路西法
says
bloodlemon: 你問的第一小題
Y(^B^)Y
says
所以那直接抄上去就好==?
路西法
says
bloodlemon: 隨你,但後面就自己加油吧!懶的打字
Y(^B^)Y
says
~"~
路西法
says
bloodlemon: 後面還要畫圖嘿!記得
Y(^B^)Y
says
天阿= =