答案:A
解析:
hoice (A) is correct. When the positive integer n is divided by 5, the remainder is 0. It follows that n is a multiple of 5. Therefore, 3 times n is also a multiple of 5, and so the remainder when 3 times n is divided by 5 is likewise 0.
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答案:A
解析:
hoice (A) is correct. When the positive integer n is divided by 5, the remainder is 0. It follows that n is a multiple of 5. Therefore, 3 times n is also a multiple of 5, and so the remainder when 3 times n is divided by 5 is likewise 0.
重點(diǎn)單詞 | 查看全部解釋 | |||
multiple | ['mʌltipl] |
想一想再看 adj. 許多,多種多樣的 |
聯(lián)想記憶 | |
remainder | [ri'meində] |
想一想再看 n. 剩余物,其他的人,殘余 |
聯(lián)想記憶 |