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Clearnote
Q&A
Junior High
Mathematics
求解
Mathematics
Junior High
4 monthsago
novia
求解
7. (A)3、4、5 (B)4、5、VI (C)3、7、4 (D)2、4、6。 (A)19:9 (B)17:7 (C)18:7 如右圖,在△ABC中,AB=5,BC = 7,AC=9,D為AC上一點,且BD= 5,求AD:CD = ? (D)19:8。 BE A D E 8. 王老先生有一塊正方形的田地,邊長為10公尺,它在其中的一個頂點豎立一枝旗竿高為5公尺,然後在
Answers
ligoio
4 monthsago
輔助線
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