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As shown in the figure, B is the point on the line ad, C is the midpoint of the line BD, ad = 10, BC = 3 cd.ab The length of
/___________________________ /
a b c d
As shown in the figure, B is the point on the line ad, C is the midpoint of the line BD, ad = 10, BC = 3 cd.ab The length of
/___________________________ /
a b c d
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