https://padlet.com/kayanhui/r2b2zqm0qmfq 用數字1、2、3、4、0可排列成多少個沒有重複的五位數？ en-us 2016-08-17 05:02:57 UTC 2023-03-29 06:09:45 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Hearts.png kayanhui https://padlet.com/kayanhui/r2b2zqm0qmfq/wish/118529955 2016-08-17 05:07:53 UTC https://padlet.com/kayanhui/r2b2zqm0qmfq/wish/118529955