Toán by Danh Phan Thanh https://padlet.com/phanthanhdanh1968/votahbiu05pqxmdr en-us 2021-11-14 09:00:59 UTC 2025-10-18 14:04:05 UTC hello@padlet.com X + 3 = 9 phanthanhdanh1968 https://padlet.com/phanthanhdanh1968/votahbiu05pqxmdr/wish/1888953275 2021-11-14 09:02:10 UTC https://padlet.com/phanthanhdanh1968/votahbiu05pqxmdr/wish/1888953275 phamhoangtrung1993 https://padlet.com/phanthanhdanh1968/votahbiu05pqxmdr/wish/1888954692 x + 3 = 9
       x = 9-3
       x = 6]]> 2021-11-14 09:04:00 UTC https://padlet.com/phanthanhdanh1968/votahbiu05pqxmdr/wish/1888954692