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28.下列選項哪一個正確? (習作 P19、P46 觀念題)(A) 所有的合數必為偶數。(B) 如果兩個整數「互質」,則這兩個整數的最小公倍數必為 1。(C) 正整數中,1 是最小的合數。(D) 2
問題詳情
28.下列選項哪一個正確? (習作 P19、P46 觀念題)
(A) 所有的合數必為偶數。
(B) 如果兩個整數「互質」,則這兩個整數的最小公倍數必為 1。
(C) 正整數中,1 是最小的合數。
(D) 2 是最小的質數,也是質數中唯一的偶數。
參考答案
答案:D
難度:簡單0.8125
統計:A(0),B(2),C(0),D(13),E(0)
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【題組】46. (A) are(B) is(C) have(D) has
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【題組】54. (A) the dog is (B) is it(C) Lucky is(D) is the dog
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