计算:20+(13)-2+27-9tan30°. 发布时间:2017-05-03 19:06 │ 来源:www.tikuol.com 题型:解答题 问题: 计算:20+(13)-2+27-9tan30°.
题型:解答题 The palace eaught fire three times in the last century , and little of the original buliding________now .A.remainsB.is remainedC.is remainingD.has been remained 查看答案
题型:解答题 在平面直角坐标系中,点P的横坐标是-3,且点P到x轴的距离为5,则点P的坐标是( )A.(5,-3)或(-5,-3)B.(-3,5)或(-3,-5)C.(-3,5)D.(-3,-3) 查看答案