16、( )下圖壹圓硬幣直徑為何?
(A)19.90mm
(B)19.96mm
(C)20.00mm
(D)20.09mm
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統計: A(0), B(0), C(1), D(0), E(0) #3870231
統計: A(0), B(0), C(1), D(0), E(0) #3870231