设是O是△ABC内一点,且OA+2OB+3OC=0,则△AOC的面积与△BOC的 发布时间:2017-04-17 07:32 │ 来源:www.tikuol.com 题型:选择题 问题: 设是O是△ABC内一点,且OA+2OB+3OC=0,则△AOC的面积与△BOC的面积之比值是( )A.32B.53C.2D.3
题型:选择题 A () is a collection of projects and other work that are grouped together to facilitate effect -ive management of thatwork to meet strategic business objectives.A、programB、portfolioC、project of large sizeD、PMO 查看答案