如图所示,在△ABC中,AC=6cm,BC=8cm,AB=10cm,D、E、F分别是AB、BC、CA的中点,则△DEF的面积是 cm 2 .
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【简答题】I don ’ t think this is going to work. _______________________________________________ 2. I ’ m afraid we just don ’ t see eye to eye on this. _______________________________________________ 3. Being ...