人教版七年级上册学苑新报数学天地第三期

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• laughter is the sun that drives winter from the human face!

  1年前

• 平面向量求三点共线已知a,b是两个不共线向量,若AB=a+b,BC=2a+8b,CD=3(a-b),求证A、B、C三点共

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• 为自己鼓劲 作文

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• 如图所示,点A、E、F、C在同一条直线上,AE=CF,过E、F分别作DE⊥AC,BF⊥AC,且AB=CD.

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• People in USA can't drink wine before they reach 21.对划线部分提问

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精彩回答

• 从一个侧面反映了孔子教育方法的句子是：____________

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• 《阿房宫赋》中作者泼墨写意，粗笔勾勒．言阿房宫占地之广，状其楼阁之高的句子是：______________,______________．

  1年前

• They didn't provide __________ for Mr. Brown, so he had to find a hotel to live in.

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• There are a lot of kinds of folk music in China, because China has 56 nationalities and every group has its own style of music.

  1年前

• 抛物线

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