Mathematics

Mathematics, 02.11.2021 23:30, angellynn50

Cho hình thang ABCD (AB song song với CD). E, F lần lượt là trung điểm của AD, BC. Có AB=8cm, CD=12cm. Tính EF

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Cho hình thang ABCD (AB song song với CD). E, F lần lượt là trung điểm của AD, BC. Có AB=8cm, CD=12c...

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