In \( \triangle \mathrm{ABC}, \mathrm{DE} \) is parallel to \( \mathrm{BC} \), with \( \mathrm{D... VIDEO
In \( \triangle \mathrm{ABC}, \mathrm{DE} \) is parallel to \( \mathrm{BC} \), with \( \mathrm{D} \) on \( \mathrm{AB} \) and \( \mathrm{E} \) on \( \mathrm{AC} \). If \( \frac{\mathrm{AD}}{\mathrm{DB}}=\frac{3}{4} \), then \( \frac{\mathrm{BC}}{\mathrm{DE}} \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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