4. 簡支梁跨度L,承受均佈荷重?,請問梁中點最大彎矩為何?
(A)wL2⁄8
(B)wL2⁄4
(C)wL⁄8
(D)wL⁄4
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統計: A(0), B(1), C(0), D(0), E(0) #3809513
統計: A(0), B(1), C(0), D(0), E(0) #3809513