問題詳情
01.下列有關平方根的敘述,何者錯誤
(A) 若 a 是 b 的平方根,則 a 2 = b
(B) 每一個正數都有兩個平方根
(C) 若 √a = a,則 a = 0
(D) 負數沒有平方根
(A) 若 a 是 b 的平方根,則 a 2 = b
(B) 每一個正數都有兩個平方根
(C) 若 √a = a,則 a = 0
(D) 負數沒有平方根
參考答案
答案:C
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