老师有13个礼物,男生分到了4个,那么女生能分到几个?
— How I missed my family and friends when I was abroad!
— Me too. ______.
如图,已知矩形ABCD,把矩形沿直线AC折叠,点B落在点E处,连接DE、BE,若△ABE是等边三角形,则S∆DCES∆ABE=____
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