問題詳情

5. (3%) Let a,b,k,n be integers. Which of the following statements is not coTect?
(A) a ≡b (mod n)

ka≡ kb (mod n)
(B) a≡b (mod kn)

 a≡b (mod n)
(C) a≡b (mod n) 

  ka≡ kb (mod kn)
(D) a≡b (mod n)

a≡b (mod kn)

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增