Monthly Archives: 6 月 2020
200612——平方差公式说课——06180519
120 Views8 Comments0 Likes
https://v.youku.com/v_show/id_XNDcxNTQwNDAwNA==.html 互评量表
200529-等差数列前n项和1-06180508
117 Views7 Comments0 Likes
120 Views8 Comments0 Likes
https://v.youku.com/v_show/id_XNDcxNTQwNDAwNA==.html 互评量表
117 Views7 Comments0 Likes