D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.

Share

[数学Ⅰ16 二次関数の最大・最小(2)]場合わけをきっちり覚える!

Twitterline
https://nico.ms/sm37248153?ref=thumb_watch