2013-2014学年高一人教B版数学必修四40分钟课时作业：3-26两角和与差的正弦.pptpage1page2page3page4page5page6page7page8page9page10page11page12page13page14page15page16page17page18page19page20page21 

2013-2014学年高一人教B版数学必修四40分钟课时作业：3-25两角和与差的余弦.pptpage1page2page3page4page5page6page7page8page9page10page11page12page13page14page15page16page17page18page19page20 

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2013-2014学年高一人教B版数学必修四40分钟课时作业：2-1-14向量的概念.pptpage1page2page3page4page5page6page7page8page9page10page11page12page13page14page15page16page17page18page19page20page21page22 

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2-2-1.pptpage1page2page3课前预习目标课堂互动探究page4page5page6page7page8page9page10page11page12page13page14page15page16page17page18page19page20page21page22page23page24page25page26page27page28page29page30page31page32page33page34page35page36page37page38page39page40page41page42page43page44page45