调研课题

number of 和 account of 区别the number of 和the account of 区别怎么用错了不是 account of ,是 the amount of 分解因式x的二次方-10x+24 一个长方形的周长是30厘米,相邻两条边的比为3:2.这个长方形的长和宽各是多少厘米? 已知y=y1+y2且y1与x成正比例,y2与x平方成反比例且x=2 y=-3时,y的值都等于19,则y与x的函数关系式是______ the number of,a small number of,a number of.,a great number of,a large/small number of,区别和后面该接可数和不可数名词 A great number of与the great number of_____children whose parents had died in the earthquake ____sent to live with families in other cities.A.A great number of,was B.A great number of,were C.The great number of,was D.The great number of,were为什 a number of , a small number of , a great number of各是什么意思 A great number of 与 The number of 的区别 根号5的绝对值 -根号3+根号5的绝对值是多少 根号-5的绝对值怎么表示 根号2-根号5的绝对值-根号5+根号2的绝对值 作文 The school rules The __school rules 英语作文what do you think of your school rules?pelase wite 英语作文 Rules in the school 一个长方形分成5个一样大的小长方形（分法是上面俩个下面三个）,大长方形的周长44厘米,求大长方形的面积 All of the following are closely related to the style of clothing except ________ .A) price B) shape C ) odor D) workmanship答案为 A) 问题：结合本句内容, 此处 odor 是什么意思? 计算2-根号5的绝对值+（3-根号5的绝对值）的值是（） We can use all the following in front of "lunchtime" except___.A in B to C during D at答案为什么选B?in lunchtime是什么意思? If you are serving a customer ,you can say all the following except "____" A.Can I help you?If you are serving a customer ,you can say all the following except "____"A.Can I help you?B.is anyone helping you?C.What can I do for you?D.What do you w x+x－1=3,问x3+x-3=多少 已知：x3+x-3 求x+x-1.这题如何解啊?x3+x-3=2 求x+x-1。这题如何解啊？我也知道答案是2或者是-1，但是解题过程如何啊？ 3次根号-8分之1的倒数是,绝对值是,相反数是 (x1+x2+x3)^2=这个怎么算?1,2,3表示x的下标. x1/2+x-1/2=3,求(x3/2+x-3/2-3)/ (x2+x-2-2) x+x的-1方=3,则x3方+x-3方=多少 the following topics 求负根号11的倒数,三次根号8分之27,3-π的倒数, 3次根号负27分之一的倒数是3次根号9的相反数是4（2X-1）²=25X=根好16 的平方根X= 3次根号负27分之一的倒数是多少 已知9+(13的算数平方根)与9-(13的算数平方根)的小数部分分别是a和b,求4a+4b+8 一个正方形,面积是10平方米,边长是多少?各位好心人,快来帮忙吧!