板砖老板娘 幼苗
共回答了24个问题采纳率：83.3% 举报
1年前
淋雨的伞 幼苗
共回答了5个问题 举报
回答问题
功课的英文,C开头的How many c-----(功课） do you have at school?
1年前1个回答
How many times do you have to fail at something in order to
几道英语题.根据句意及首字母提示完成单词.How many s____ do you have at school?I
1年前3个回答
how many friends have you区别 how many friends do you have
How many classes do ypu have at your school?
1年前2个回答
How many How many do you have? [ ] A.lightes
How many….can you see?和How many….do you have?如何区分?
how many apples do you have?对不 how many apples does he have?
Do you have many clubs at school?变成Do you have ()()clubs at
How many ___ do ypu have at your school?这个空填什么
1年前4个回答
How many( )do you have?
1年前5个回答
How many ( )do you have?
1年前6个回答
how many ()do you have?
how many 什么do you have
英语初级（谢谢!）1.How many apples do you have?（这里的 do you have?do是
how many pens do you have?可以这样译吗?有什么区别?how many pens have yo
()(how many∕how much)balloons do you have?I have 8.
how many people do you have 和 how many of you are there 你们有多
1年前7个回答
how many dress do you have?
你能帮帮他们吗
双曲线y 2 -x 2 =1的离心率为e，抛物线y 2 =2px的焦点为（e 2 ，0），则p的值为 [
1.Who knocked （over） this vase 2.She is looking (after) the
敲打桌子能听到声音，却看不见桌子振动，你能想出什么办法来证明桌子时振动的？______．
如图，直线l：y=-[3/4]x+9与两坐标轴的交点分别是A、B，O是坐标原点，点P是x轴上一动点，点Q是直线l上一动点
12分之16化成最简分数
精彩回答
该图所示为以38°N,0°为极点的陆地相对集中的“陆半球”（另一半球为“水半球”）。读图回答问题。
已知数列{an}的前n项和为Sn，且a1=1，Sn=n²an（n∈N*）。 （1）试计算S1，S2，S3，S4，并猜想Sn的表达式； （2） 证明你的猜想，并求出an的表达式。
________ you have seen both fighters，________ will win?
在粗盐的提纯过程中，有下列几项操作：①过滤②溶解③蒸发． （1）其正确操作顺序是______（填序号）． （2）在以上三项操作中都要用到玻璃棒，玻璃棒的作用分别是溶解中______、过滤中、蒸发中______． （3）在蒸发过程中除铁架台、酒精灯、玻璃棒等仪器外，还需用到的仪器是______．
计算下列定积分
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