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21.關於游標卡尺的敘述,何者正確?(A)若主尺一格0.5mm,副尺取本尺49格分成50等分,則最小讀數為0.05mm(B)若主尺一格0.5mm,副尺取本尺24格分成25等分,則最小讀數為0.02mm
問題詳情
21.關於游標卡尺的敘述,何者正確?
(A)若主尺一格0.5mm,副尺取本尺49格分成50等分,則最小讀數為0.05mm
(B)若主尺一格0.5mm,副尺取本尺24格分成25等分,則最小讀數為0.02mm
(C)若主尺一格1mm,副尺取本尺49格分成50等分,則最小讀數為0.01mm
(D)若主尺一格1mm,副尺取本尺19格分成20等分,則最小讀數為0.02mm
參考答案
答案:B
難度:非常簡單1
統計:A(0),B(3),C(0),D(0),E(0)
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