12.常見的張頁厚紙也裝一『束』爲幾張?
(A)80
(B)110
(C)125
(D)300
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統計: A(22), B(6), C(366), D(24), E(0) #1035929
統計: A(22), B(6), C(366), D(24), E(0) #1035929