李师傅脆肚

求圆的面积（三角形的面积是5平方厘米） She ____to her first movie when she was only four years old在bear ,start ,go,profession,talent,hiccup,record,receive,how long,tour中选一个 已知函数f(x)满足f(x+3)=-1/f(x)且f(3)=1则f(2010)= He______ to sing English songs when he was only six years oldA.canB.was able toC.is able toD.able to 翻译一下He began to build a business when he was only 18 years old. 已知函数f（x）＝（x-1）（x-2）（x-3）…（x-2010）,求f(1)+f'(1)要具体的值 I was able to recite many ancient Chinese poems when I was only 4 years old.同义句 已知函数f(x)=-x+log2 1-x/1+x 求f(1/2010)+f(-1/2010) IT HAS BEEN TEN YEARS NOW SINCE THE LABOUR PARTY CAME TO __IN THAT COUNTRY.A:POWER B:CONTROL C:FORCE D:CHARGE It has been ten years since the Labour Party came into ______ in that country.AB.control B.force C.power D.chargecome into power和come to power有什么区别？ It has been 5 years since this party----.如题 It has been 5 years since this party----.用came to power 为什么不能用 in power 解方程,只要答案! The shop ______since five years ago 填has been opened 还是has been open 解方程求答案要算是急 我需要这个解方程的答案. 高纯度氧化铝有毒吗?去生产高纯度氧化铝的企业上班对身体有害吗? 2X+X+5=14怎么解? (x+14)/(2x-14)=5/3 x/28+(2x-14)+12/60=x/36+(2x-14) Alice has been in China for several years.She___be a big girl now.A.needB.canC.mayD.must Mr king has ____China for over 3 years.A gone to B been to C lived in D come to选B还是选c为什么? She has been in China for several years.She() be a big girl now. 关于高中计算电功率,热功率的问题先是推出P=UI,所有电阻都可以用,然后根据U=IR推出计算热功率Q=W=I方R,我就很好奇,既然根据U=IR推出I方R,那不也能推出U方\R吗,为什么U方\R不能用于计算热功率 解方程.! 若双曲线x^2/a^2-y^2/b^2=1(a>0,b>0)的两个顶点三等分焦距,则该双曲线的渐近线 已知2个双曲线x方/a方-x方/b方=1和y方/a方-x方/b方=1的渐近线将第一象限三等分则双曲线x方/a方-x方/b方=1的离心率为 求答案,解方程 求函数y=(3x-x^2)/(x^2-1)+1/(1-x)-2的零点 泊松分布中E到底怎么计算 试讨论函数y=mx2+3x-1零点的个数 求定积分∫[-1,1]x^3dx要把[-1,1]分割成n个小区间那种方法 求定积分∫｛0,-1｝x^3dx答案是-0.25,但我为什么算的是-3,x^3的导数是3x^2啊,所以是0-3=-3,