問題詳情
49.如【圖 49】所示，請求該面積對其水平形心軸之慣性矩？ 
(A) 60.75
(B) 74.25
(C) 243
(D) 256.5
參考答案
答案：B
難度：適中0.6
書單：沒有書單，新增
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