相關(guān)習題
 0  151682  151690  151696  151700  151706  151708  151712  151718  151720  151726  151732  151736  151738  151742  151748  151750  151756  151760  151762  151766  151768  151772  151774  151776  151777  151778  151780  151781  151782  151784  151786  151790  151792  151796  151798  151802  151808  151810  151816  151820  151822  151826  151832  151838  151840  151846  151850  151852  151858  151862  151868  151876  266669 

科目: 來源: 題型:單選題

已知

A. B. C. D.

查看答案和解析>>

科目: 來源: 題型:單選題

已知向量,且,則實數(shù)的值為(    )

A. B. C. D. 

查看答案和解析>>

科目: 來源: 題型:單選題

已知向量,若,則實數(shù)的取值范圍是(     )

A. B.
C. D.

查看答案和解析>>

科目: 來源: 題型:單選題

若非零向量滿足,且,則向量,的夾角為 (   )

A. B. C. D.

查看答案和解析>>

科目: 來源: 題型:單選題

若向量和向量平行,則 (    )

A. B. C. D.

查看答案和解析>>

科目: 來源: 題型:單選題

中,,,,則的值等于(    )

A. B. C. D. 

查看答案和解析>>

科目: 來源: 題型:單選題

已知向量滿足,滿足,,若共線,則的最小值為(     )

A. B. C. D.

查看答案和解析>>

科目: 來源: 題型:單選題

已知以為直徑的半圓,圓心為為半圓上任意點,在線段上,則的最小值是(   )

A.B.C.D.

查看答案和解析>>

科目: 來源: 題型:單選題

非零向量,,若向量,則的最大值為(   )

A. B. C. D.以上均不對

查看答案和解析>>

科目: 來源: 題型:單選題

已知,,,點C在內(nèi), ,若=2m+m),則=(    )                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

A.1B.2C.D.4

查看答案和解析>>

同步練習冊答案