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(1)1與0的特性:1是任何整數的約數,即對於任何整數a,總有1|a.0是任何非零整數的倍數,a≠0,a為整數,則a|0.(2)若一個整數的末位是0、2、4、6或8,則這個數能被2整除.(3)若一個整數的數位和能被3整除,則這個整數能…
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