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(1)🔺APCの面積yは高さ4cmが固定
y=1/2×x×4
=2x
(2)今度は高さ6cmが固定
y=1/2×(10-x)×6
=-3x+30
(3)は(1)(2)を書くだけ

今日弟に教えてたやつ(ワーク)と一緒や

yume.

そうなんですね~🐰ありがとうございます!助かりました!!👧

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