摘要:3.若非零向量a.b满足|a-b|=|b|.则 ( ) A.|2b|>|a-2b| B.|2b|<|a-2b| C.|2a|>|2a-b| D.|2a|<|2a-b| [答案] A

网址:http://m.1010jiajiao.com/timu_id_3034321[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网