問題詳情

2.Prove that every integer whose square is a multiple of 3 must divide by 3; i.e.,   where x, k, and m are integers. (20%)(Hint: prove by contraposition is must easier.)

參考答案

答案:B
難度:簡單0.790036
統計:A(63),B(1110),C(74),D(158),E(0) #
個人:尚未作答書單:辦公室處所規劃面積原則、車輛管理

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