
[問題]兩題物理


(b)(c)小題兩個透鏡靠在一起的題目要怎麼處理?
http://i.imgur.com/75h7yZN.jpg

(a)小題也是無從下手
希望能得到解答
謝謝
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※ 編輯: paradise5656 (118.170.23.24), 11/08/2015 00:05:58
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