当x=______时,分式2-3xx2的值为正数. 发布时间:2017-05-18 12:08 │ 来源:www.tikuol.com 题型:填空题 问题: 当x=______时,分式2-3xx2的值为正数.
题型:填空题 It is well known that knowledge is ____ treasure house, but practice is ___ key to it.A.a; theB.the; theC.a; xD.x; the 查看答案
题型:填空题 8个月男孩,腹泻3天,大便蛋花汤样、霉臭带黏液,无脓血,7小时无尿,四肢厥冷,测血钠129mmol/L,首批补液选何种液体()A.生理盐水B.2:1等张含钠液C.1/2张含钠液D.2/3张含钠液E.1/3张含钠液 查看答案