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Levannhan41@gmail.com
2 năm trước
Cho ΔMNP vuông tại M,MN=8cm,MP=6cm,MI là tia phân giác của góc M(I ∈NP) a.Tính tỉ số IN/IP b.Kẻ đường cao MH (H ∈NP).CMR: ΔMHN đồng dạng ΔPHM c.Tính S ΔMHN/S ΔPHM
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