留学知识库
已知直线(2m^2+m-3)x+(m^2-m)y=4m-1,则m=____时,直线
直线mx-2y+3=0与3x-my-5=0的夹角为45度,则m=____
My parents bought me a sweater____a pair of shoes
与圆x^+y^+4x-4y+7=0和圆x^+y^-4x-10y+13=0都相切的直线有几条?
已知圆(x-1)^+(y-2)^=2和点P(2,-1),过点P作圆的切线,切点分别为A,B,求
Not only the teacher but also the students___to
等体积的球和正方体,它们的表面积的大小关系是S球____S正方体?
I am___glad to accept your kind invitation.
这学期开学读大专二年级,雅诗5分能申请澳洲留学吗?将来能移民吗/