根据意思写出含有言和语

感恩社会的征文! 谢谢~~ 已知函数y＝sinx的定义域为[a,b],值域为[-1,½]则b-a的值不可能是 已知y=sinx的定义域为【a,b】值域为【-1/2,1】求b-a的值【?】2/3π到4/3π、、我搞不懂为什么有俩值呢? 求根式函数微积分函数f(x)=√(-x^+8x-12)在区间【2,3】的微积分应该怎么求啊?打错一个字，是定积分... 微积分函数解答一、单选题1.函数y=e^(cx)+1是微分方程yy"=(y')^2+y"的（ ）A.B.C.不是解 D.是解,但既不是通解,也不是特解 2.若函数f(x,y)在(x0,y0)的某邻域内连续,则函数f(x0,y) ( )A.在y0点连续 B.在y0点 求y=3x-x^2与y=5x-8构成图像 我列的式子不知道哪出毛病了 算出来数大 what are you doing? I am (只是)having lunch. _____________wonderful birthday I am having!A、what B、what a C、how D、how much what's the matter?I am having trouble ( ) who has taken my bookA.looking for B.finding out 我选A,我觉得是正在找,还没有找到 快,简便运算! 简便计算,1.12×（-3/5）+（-13）×3/52.4×（-5）-4×（7-5/4）+8/17×（-41/4）（－四又四分之一）3.（-24）×（1/2-1/3）×（-1/4） 卢沟桥事变算侵略战争吗?九一八呢? 求正解、、直线方程的过P（2,1） 作直线L ,与坐标轴的正半轴 分别交于A,B 两点,当PA的绝对值×PB的绝对值取得最小值时、、求L的方程. 过点A(2,0)直线为l,且极点O到l的距离为1的直线方程 jungle gym jungle 字典里查不到,有谁知道? jungle gym怎么读 climbing,a jungle gym,on,they're and、games,placlimbing,a jungle gym,on,they're and、games,playing怎么订正 jungle gym的中文意思是什么? jungle we have a soccer game in our school on may 11th.ee you_____.(there的适当形式)we have a soccer game in our school on may 11th.see you_____.(there的适当形式) 求圆标准方程到直线方程的最近和最远距离圆：（x－5）平方＋（y＋3）平方＝81直线：12X+10y－120=0 数学）与直线x=3相切,且与圆(x+1)^2+(y+1)=1相内切的半径最小的圆的方程是 our teachers have lunch at school改一般疑问句 2道一元二次方程题目1(9-4倍根号5)x^2 +(2-根号5)x-2=02已知方程19x^2 -2x+3m=4m^2有两个相等的实数根,解这个方程 1.-What is this in the picture -It is a ( ).-What is the time -It is ten ( )( ).2.-What ( )is it now?-It is ( )( )six.-Is it time( )( )TV?-( ),it is. 3.-Is it morning( )evening? -( )morning. -Is it a quarter to six? -( ),it is a quarter（ ）six 单项选择 What is this,plese?---It is UFO.A.a B.an C.the D\ 已知函数f(x)=(ax+1)/(bx-1)的反函数的对称中心为(2,1),则a= b= 1.函数Y=AX+B与它的反函数是同一函数,求A、B.2.函数Y=（AX+2）/（X-1）的图象关于直线Y=X对称,则A=? 英语翻译mother or another family member.Some people just choose a name that's popular at that time.Two hundred years ago,50% of baby boys in England were named William,John or Thomas,and 50% of baby girls were called Elizabeth,Mary or Anne.some o She left her son the name and address of his the name of william henry after his father and grandfather是什么意思 wirh the other name of father christmas 翻译顺