https://padlet.com/srey62850/smild6m144cotnbz គណនារំញឹក en-us 2021-12-03 13:23:08 UTC 2024-07-10 18:55:09 UTC hello@padlet.com srey62850 https://padlet.com/srey62850/smild6m144cotnbz/wish/1982360155 ឧទាហរណ៍លើការគណនា វ៉ារីយ៉ង និងគម្លាតគំរូ (Standard deviation )។]]> 2022-01-09 14:22:29 UTC https://padlet.com/srey62850/smild6m144cotnbz/wish/1982360155 srey62850 https://padlet.com/srey62850/smild6m144cotnbz/wish/1986240576 2022-01-11 15:05:18 UTC https://padlet.com/srey62850/smild6m144cotnbz/wish/1986240576