九的倍数是多少?
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发布时间:2024-02-13 02:34
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热心网友
时间:2024-02-13 07:12
1000以下的9的倍数有:
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.(一共111个)
热心网友
时间:2024-02-13 07:12
一个数各个数位的数字之和能被9整除,那么这个数就是9的倍数。
如:387,3+8+7=18
18÷9=2,
387是9的倍数。
176976,1+7+6+9+7+6=36
36÷9=4
176976是9的倍数。
9的倍数有无数个,不可一一告之。
热心网友
时间:2024-02-13 07:13
9的倍数是9n(n是自然数)。