https://padlet.com/amer3687/qhjkfudhiaac Cari punca-punca bagi persamaan kuadratik. en-us 2017-04-10 01:51:55 UTC 2023-06-02 14:36:58 UTC hello@padlet.com amer3687 https://padlet.com/amer3687/qhjkfudhiaac/wish/165591803 2017-04-10 01:59:09 UTC https://padlet.com/amer3687/qhjkfudhiaac/wish/165591803