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Mathematics, 06.09.2021 05:40 Ashleymsmith

Cho hình thang ABCD (ab // CD) và AC vuông góc BD biết BD =15 cm, BH vuông góc DC ,BH =12 cm tính diện tích hình thang ABCD

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Cho hình thang ABCD (ab // CD) và AC vuông góc BD biết BD =15 cm, BH vuông góc DC ,BH =12 cm tính di...
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