作业帮既是3的倍数又是9的倍数的数有?
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既是3的倍数又是9的倍数的数有?
既是3的倍数又是9的倍数的数有?
既是3的倍数又是9的倍数的数有?
9、18、27、36、45、54、63……
18
27 54 81... (27n,n为正整数）
有
直接就是9的倍数了，9的倍数都是三的倍数
9 18 27 36 45 54 63 72 81 所有9的倍数都是
9,18,27,36,45,54,63,72,81,90,99,108,117,126,135,144,153,162,171,180,189,198,207,216,225,234,243,252,261,270,279,288,297,306,315,324,333,342,351,360,369,378,387,396,405,414,423,432,441,450,459,468,477,...
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9,18,27,36,45,54,63,72,81,90,99,108,117,126,135,144,153,162,171,180,189,198,207,216,225,234,243,252,261,270,279,288,297,306,315,324,333,342,351,360,369,378,387,396,405,414,423,432,441,450,459,468,477,486,495,504,513,522,531,540,549,558,567,576,585,594,603,612,621,630,639,648,657,666,675,684,693,702,711,720,729,738,747,756,765,774,783,792,801,810,819,828,837,846,855,864,873,882,891,900,909,918,927,936,945,954,963,972,981,990,999。
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