已知m+n=2,mn=-2,则(1-m)(1-n)=______. 发布时间:2017-05-25 09:13 │ 来源:www.tikuol.com 题型:填空题 问题: 已知m+n=2,mn=-2,则(1-m)(1-n)=______.
题型:填空题 正常成人颅内压增高是指颅内压持续超过()A.1.5kPa(150mmH20)B.2.5kPa(250mmH20)C.1.9kPa(190mmH20)D.3.0kPa(350mmH20)E.2.0kPa(200mmH20) 查看答案