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求曲线x^2+y^2-2x+3y+2=0在Y轴上截得的线段长度RT 迷茫了, 沁园春 长沙中寒秋的寓意是什么 曲线y=1/(x^2)的切线被两坐标系所截线段的最短长度 翻译英文：他们从不吃橘子.They don‘t eat oranges （） （） 请问谁知道cdr表格里怎么写字?非常谢谢各位{随机数h 拜托看下cdr表格里怎么写字?迷茫了,谢谢你们了8q 问大家一下cdr表格里怎么写字?迷茫了, 拜托看下cdr表格里怎么写字?迷茫了,十分感谢你们了3X 如下图,p是矩形ABCD边AD上任一点,pm⊥bd与m,pn⊥AC与n,若AB=3,AD=4.则pm+pn=（） 已知直线L过点（-5,-10）,且在圆x^2+y^2=25上截得线段的长为5√2,求直线L的方程 已知直线l过点(-5,-10),且圆x^2+y^2=25上截得线段的长为2根号5,求直线l的方程 圆（x-4）^2+(y-6)^2=25,在y轴上截得的线段的长是____?之前的讲解不够透彻. 已知直线l;2mx-y-8m-3=0和圆C;(x-3)平方+(y+6)平方=25求直线l被圆C截得的线段最短时的直线l的方程 求直线y=-x+2被圆x^2+y^2=4所截得的线段的长度. They exercise a lot every dayThey ____ ____ a lot every day they eat a lot的意思 Americans eat_ as they actually need every dayAmericans eat_ as they actually need every day.A.twice as much proteinB.twice protein as much twiceC.twice protein as muchD.protein as twice mcuh选了C,想问问这类型的题要怎么选,我老是错= 小玲有一个底面半径是5厘米的水杯,小玲想为自己的杯子配一个圆形隔热垫,就把家里边长为15厘米的正方形隔热垫剪成一个比自己杯子底面半径长2厘米的圆形隔热垫,剪去部分的面积是多少? Americans eat ________ as they actually need every day.A) twice as much proteinB) twice protein as much twiceC) twice protein as muchD) protein as twice much 铺横野六七里,笛弄晚风三四声.归来饱饭黄昏后,不脱蓑衣卧月明.指的是什么动物? 归来饭饱黄昏后,不脱蓑衣卧月明.刻画了1个什么牧童形象? 归来饱饭黄昏后,不脱蓑衣卧月明中的蓑衣是什么意思 归来饱饭黄昏后,不脱蓑衣卧月明什么意思 they.eat hay. Look,they_____(eat）cakes. 新概念一第104课的课后练习,主要是动词不定式练习.1、could they eat the cakes?(yes/fresh)Yes,they could.they were fresh enough for them to eat.2、could they hear the stereo?(yes/loud)Yes,they could.It was loud enough for them to h 已知矩形abcd,ab等于30,ad等于40,ck⊥db,p为bc上的动点,pm⊥ac于m,pn⊥bd与n,求pm+pn的值. They a --------- eat moon cakes.（a的后面是什么 they eat dumplings,cakes and noodles in beijing 画线部分 eat .到..beijing be Fover.是什么意思?