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题库 / OG2021-PS-259
In the figure above, ABCD is a parallelogram and E is the midpoint of side AD. The area of triangular region ABE is what fraction of the area of quadrilateral region BCDE ?
~$1 \over 2$~
~$1 \over 3$~
~$1 \over 4$~
~$1 \over 5$~
~$1 \over 6$~
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