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过直线4x-3y-12=0与x轴的交点,且倾斜角等于该直线倾斜角的一半的直线的方程
一个直角三角形的两条直角边相差5厘米,面积是7平方厘米,求斜边的长?
What's your room like?答句是?
设a,b是方程x+x-2014=0的两个实数根,则a+2a+b的值为_
what's your room like
若α,β是方程x+4x-2014=0的两个实数根,求α+β+4α+4β的值.
What s your room like?怎么回答
设a、b是一元二次方程x²+x-2014=0的两个实数根,则a(a-b+1)的值为?A,0 B,1007 C,2014 D,4028
what's your room like?的问句是什么?
What is your room like?What is in your room?有什么不一样,各自怎样回答?
若方程f(x,y)=0表示定直线L,M(x0,y0)为不在直线L上的定点,则方程f(x,y)-f(x0,y0)=0一定是()?A 过点M且与直线L相交的直线B 过点M且与直线L平行的直线C 过点M且与直线L垂直的直线D 以上均不对
“F(x0,y0)=0”是点P(x0,y0)在“方程F(x,y)=0的曲线上”的什么条件?
.求满足下列条件的直线的方程(1)经过点A(3,2),且与直线4x+y-2=0平行(2)经过点B(2,-3),且平行于过点M(1,2),和N(-1,-5)的直线 (3)经过点C(3,0),且与直线2x+y-5=0垂直
I like your Do you like me?
I like your new sweater 是什么意思
Your the one i
I like your temper just like
I would like your中文意思
世界可以分为有意识世界和无意识世界?我有个深奥的问题从出生到现在一直在我脑海里.甚至无法用语言表达,我在想,为什么会有我,我是什么?同样是出生,为什么意识会跑到‘‘我’‘的肉体
“下意识”是有意识还是无意识?
若函数f(x)在x0处的倒数存在,则它对应的曲线在点(x0,f(x0))的切线方程为?
有无语法错误I'd like a medium bowl of noodles with eggs and beef.
-May I take your order?-I'd like some beef noodles with t____.(西红柿)是填“tomatoes”还是“tomato”?Ps:这是考试题,考完试出来和同学对答案,这题不一样.
I'd like beef noodles对beef noodles提问
I'd like a bowl of noodles with beef and potato这句话,哪里错了,为什么
(x-2y+3z)²-(x+2y-3z)²
(x+2y-3z)²
1、(a+b)²(a-b)²=______.2、(x+2y-3z)(x-2y+3z)=______.3、(-x²+y²)²=______.4、x²+______-8x²-1=2(x的三次方)+7x-3.5、若x²+mx+4是完全平方式,则m=______.6、a的m次方=3,a的n次方=5,则a的2
“下意识”是“有意识”还是“无意识”?
_______?she has straight long hair A.what's lucy like B.how is your mother C.what does miss lilook like D.what' your aunt
______ your mother?She's slim with dark hair 填写特殊疑问词
she has a long hair这里可以用a吗