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Australia is in the south of the earth so the seasons there are the opposite of .
1年前
如图,四边形ABCD为矩形,连接AC,AD=2CD,点E在AD边上. (1)如图1,若∠ECD=30°,CE=4,求△AEC的面积;
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One afternoon I toured an art museum while waiting for my husband to finish a business meeting.
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It's 7:00 am. It's time to ________ ________ ________.
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