Bài 2. Từ tập A={0,1,2,3,4,5,6} , lập được bao nhiêu số có 6 chữ số khác nhau sao cho các số này không bắt đầu bằng 246? by Quynh Lien Nguyen https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1 en-us 2024-02-20 17:15:01 UTC 2024-02-21 05:00:10 UTC hello@padlet.com Nhóm one https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890445857 2024-02-21 04:55:48 UTC https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890445857 Nhóm 3 https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890447487 2024-02-21 04:58:01 UTC https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890447487 nhóm 2 https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890449129 2024-02-21 05:00:10 UTC https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890449129 Nhóm 4 https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890449564 2024-02-21 05:00:46 UTC https://padlet.com/gleefulreactiondesign/ykcb5b65pdfkxie1/wish/2890449564