康熙字典20画属土的字

方程租 方程租,3x-2y=-1,3x+y=5 这种类型方程怎么解 语文造句、今天就要!1、……非……不可……2、……任凭……也……3、……无论……也…… F|ash是什么? ash.是什么 ASH是什么啊刚升级了SUPERSU 到0.98版本 为什么会出现一个ASH的授权.为什么呢? heyenga 园的标准方程是什么? 英语第47题Now that she is sick with cold,I feel I ____ have stopped her from going out in the rain.A.couldB.mightC.mustD.ought to 请语文高手帮我造造句.请分别用郝 叟 懊悔 哽 祈祷这五个词造一句话. We were at a __________ as to what to do when the gunmen suddenly broke into our house.A.breatheB.troubleC.lossD.distance 语文造句怎么造当……时候……不禁……站……踏……扶……自然地想起…… 英语选择题47.49.50 语文造句怎么造啊?用：抹 攥 逮 怦怦 树杈 寒战 6个词语当中选3个造一句话. 已知F1,F2为椭圆的焦点,P为椭圆上的任意一点,椭圆的离心率为1/3,以P为圆心,PF2长为半径做圆P,当圆P与x轴相切时,截y轴所得的弦长为(12根号55)/9（1）求圆P的方程和椭圆方程（2）求证：无论点P 设F1,F2分别为椭圆C：X^2/A^2+Y^2/B^2=1(A>B>0)的左右焦点（1）设椭圆C上的点（根号3,根号3/2）到F1F2距离和为4,求椭圆方程（2）设K是题（1）中的动点求线段KF1中点B轨迹方程（3）设P是椭圆任意一点 求过点A (1,3／2),两焦点(-1,0)、(1,0)的椭圆方程 已知椭圆x^2/a^2+y^2/b^2=1(a>b>0)的长轴长为4,且点（1,跟号3/2）在椭圆上,求椭圆方程!急 第五题, 用圆能画成什么图画 已知函数f(x)=loga(3-ax) (1)求函数f(x)的定义域 (2)已知函数f(x)=(2已知函数f(x)=loga(3-ax) 求函数f(x)的定义域 )若函数f（x）在[2,6]上递增,并且最小值为loga（7/9a）,求实数a的值. 画图怎么画圆形 已知函数f(x)=loga(ax-1),求f(x)的定义域,以及他的单调性 绘图中圆怎么画 函数f(x)=loga(ax-1),(0 1、The building____I used to work has 50 floors.A.that B.which C.where D.when2.What was that notice _____?A.at that you were looking B.you were looking atC.you were looking at it D.which you were looking3.Wendy is the only one ___spoke up at the mee 请帮忙啊!{30}分英语题1.the student doesn't work___he used to.A.so hard as B.so harder than C. as harder as D. as hard like答案选A 为什么?为什么不选 C ?2.--Could you have been more careful? --Why,what wrong__I__?A.did; do 301.There is a park on the other side of the street.（改为同义句）______ _______the street is a park.2.Lucy sits on Susan’s left and George’s right.（改为同义句）Lucy sits_____Susan______George.3.翻译请问,你的右边是什么?E It's a pleasure My pleasure with pleasure的区别 It's my pleasure.与With pleasure.的区别在有人问Could you please help me ...做什么事的时候,我们应说With pleasure. 还是 It's my pleasure.提供帮助后人家感谢你时是用上面的哪一个?这两句话有区别吗? It's pleasure 和My pleasure 和With pleasure 分别是什么意思?分别怎么用?应该是It's a pleasure It's my pleasure 与 With pleasure 用法上有哪些不同