リニューアル【中３数学 ２次方程式】＃３２ ２次方程式の利用⑧ 動点の問題 その１ △ＰＱＤの面積が60㎠になるときの点Ｐが動く時間の求め方を解説！
Synopsis
以前、作成した中学３年の動画をリニューアル！] 今回は点が動く問題、動点問題その１として、△ＰＱＤの面積が60㎠になる ...
![[Junior High 3] Using quadratic equations (moving points)](https://i.ytimg.com/vi/FrhMzYWEURA/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAYdtXqRiLKMhbaVbBrY6Nj23vQCg)
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