S-8-7-S02_會利用平行四邊形的面積=底×高計算平行四邊形面積。 | 合作夥伴 | 均一教育平台

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S-8-7-S02_會利用平行四邊形的面積=底×高計算平行四邊形面積。

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S-8-7-S02_會利用平行四邊形的面積=底×高計算平行四邊形面積。