5 空心菜 120 g(AP,生),生廢棄物 20 g,煮後(EP,熟)80 g,則其生廢棄率為多少百分比?
(A)83%
(B)80%
(C) 67%
(D)17%
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統計: A(133), B(170), C(59), D(1131), E(0) #1753551
統計: A(133), B(170), C(59), D(1131), E(0) #1753551