倾听是什么排比句

图中间那道 怎么写? Enter a valid email address 上坡每小时行20km下坡每小时行30km小明从家到学校往返一要用2/3小时离学校多少km? 若函数f﹙x﹚=﹛根号x,x≥0;x＋a,x＜0.且方程f(x)=1有两个解,则实数a的取值范围 设函数f(x)=-a乘以根号下（x^2+a）+x+a,x属于(0,1],a>0 若FX在（0,1）上是增函数,A的取值和FX的最大值负a乘以根号下（x^2+a） 这是一起的 已知函数f(x)={2^x-2 x0}若方程f(x)=a,求实数a的取值范围帮忙一下哈·~ What is your birthday with this year?A:all my friends to be happy everyday.B:my brother to enter the Peking University.C:be healthy ang happy every day.D:all my friends will be happy every day. =.已知f(e^x)=x^2-2x+3 (2≤x≤3） （1）求f(x)的解析式和定义域 （2）求f(x)的值域 兄弟们进来教我 第二问是求最值~ 设一个函数的解析式为f（x）=2x+3他的值域为﹛-1,2,5,8﹜则函数定义域为什么啊. 已知函数f(e^x)=x^2-2x+3(2 请问一下求几道化学题做出的我在给追加有点着急了啊,打心底麻烦你们了6h 若函数f(x+1)=x^2-2x+1的定义域为[-2,6],求f(x)的解析式,定义域,值域及单调递减区 the numbler that you have entered is invalid 翻译shei lai bang wo jie da ya the serial number you have entered is incorrect.the serial number for f90SQL-Lite is 0-0000-0意思? the serial number entered is invalid.please re-enter the number翻译 the cdkey you have entered is invalid 的意思 what is the name of your company 翻译成中文谐音 what salary is your company offering What's reason for the difficulty of maintaining the cooperation? what is the reason of有这个句型么?of后可以跟什么,举个例子? what reason else和what else reason哪个对 改错what is the reason of the fire? 一道数学题,排列组合问题88.有五队夫妇围成一圈,使每一对夫妇的夫妻二人都相邻的排法有多少种?A、768 B、32 C、24 D、2的10次方解析是说把5对夫妻都看成一个整体,就有5*4*3*2*1=120种不同的排 在括号里填上合适的词语,不能重复 静静地（ ） 静静地（ ）越多越好 She will go to world park to learn____the famous places A,from B,to C,at D.about 在括号中填上适当的词语（不能重复）在区上的比赛中被选上.能参加市上的决赛.在区上的比赛中被选上,不能高兴得过早.在区上的比赛中被选上,要在市上的决赛中取得好成绩,得加把劲.在区 piease enter valid credit card digits是什么意思 This transaction cannot be processed.Please enter a valid credit card number and type. What is the way you thought of _______ the problem?A.working out B.to work out C.working at D.to work at为什么不是A? what is my key 是什么意思 1．what is the way you thought of ( )them out of difficulty?1．What is the way you thought of ( )them out of difficulty?A.of helping B.helping C.helps D.helped2.What is that ( )flashed in the sky just now?A.that B.what C.who D.which3.We 关于数学的问题、不等式的解集.1.在0、-4、3、-3 、5/1、（5分之1）-5、4、-10,_____是方程x+4=0的解； ______是不等式x+4大于或等于0的解；_____是不等式x+4小于0的解.