存在多少由3和6組成的5位正整數(shù),能被9整除.
33336,33363,33633,36333,63333
36666,63666,66366,66636,66663
36666,63666,66366 ,66636 ,66663
英語(yǔ)翻譯
英語(yǔ)翻譯
how many five - digit positive integers,divisible by 9,can be written using only the digis 3 and
how many five - digit positive integers,divisible by 9,can be written using only the digis 3 and
英語(yǔ)人氣：771 ℃時(shí)間：2020-03-28 10:44:59
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