已知空间中两点A(1,2,3),B(-2,2,6),若存在点P满足AB=3PB, 发布时间:2017-04-16 22:21 │ 来源:www.tikuol.com 题型:填空题 问题: 已知空间中两点A(1,2,3),B(-2,2,6),若存在点P满足AB=3PB,则点P的坐标为______.
题型:填空题 Li Na, _____ most famous Chinese tennis player, narrowly missed the championship in Australia for _____ second time.A.the; /B.a; aC.a; /D./; the 查看答案