https://padlet.com/aratsa210915/v13iadjllq6un6xo ให้นักเรียนแสดงวิธีทำโจทย์ที่ที่ครูกำหนด en-us 2021-07-21 00:52:13 UTC 2021-10-17 08:11:18 UTC hello@padlet.com https://padlet.net/icons/png/1f49e.png aratsa210915 https://padlet.com/aratsa210915/v13iadjllq6un6xo/wish/1656465236 [(-2) + 8] - (-6) = ?

]]> 2021-07-21 00:58:44 UTC https://padlet.com/aratsa210915/v13iadjllq6un6xo/wish/1656465236