https://padlet.com/hothingahien/nymcv1of4hxoyh7i Bài1: Tìm x x +7 = 35 en-us 2021-09-01 14:10:02 UTC 2023-09-14 04:44:44 UTC hello@padlet.com https://padlet.com/hothingahien/nymcv1of4hxoyh7i/wish/1710012394 X=5]]> 2021-09-01 14:14:35 UTC https://padlet.com/hothingahien/nymcv1of4hxoyh7i/wish/1710012394