长方形的体积怎么算

一张桌子的售价70元,比一把椅子售价的3倍少5元,一把椅子的售价是多少元? 一张桌子售价78元,比一把椅子售价的4倍少2元,求一把椅子的售价.用方程解,设每把椅子倍价x元,下列方程正确是().A:4x-2=78,B:4x=78-2,C:78-4x=2,D:4x=78x2 甲乙两个农妇买鸡蛋,甲的鸡蛋比乙的鸡蛋10个,可是全部卖出后的收入都是15元,如果甲的鸡蛋按乙的价格,可卖出价18元,问:甲的鸡蛋每个鸡蛋多少钱? 甲乙两个农妇买鸡蛋,甲的鸡蛋比乙的鸡蛋10个,可是全部卖出后的收入都是不是15元,如果甲的鸡蛋按乙的价格,可卖出价18元,问:甲的鸡蛋每个鸡蛋多少钱? 许多吃谷物类的鸟不用谷物喂小鸟,而用昆虫喂小鸟的原因RT 为什么许多麻雀用昆虫为小鸟,而不是用谷类喂小鸟? 比喻白费力气永远不能实现的事情的成语 比喻白费力气,永远不能实现的事情.成语? 1形容十分拥挤或围得密密层层·还一个比喻白费力气,永远不能实现的事猜成语,急 比喻白费力气,不可能到达目的成语是什么?如题 一张桌子售价238元,比一把椅子的4倍少2元,一把椅子售架多少元? 一张办公桌的价钱是238元,比一把椅子价钱的3倍少20元.椅子的价钱是多少 一张桌子的价格是58元,比一把椅子的价格的4倍还贵2元.一把椅子的价格是多少元? 草坪如何施用磷钾肥 形容鸟类和昆虫的嘴的词语 Know more words and expressions,____you will find it easier to read and communicate.(and ,then )选哪个? --English has a large vocabulary,doesn't it?__Yes.______ more words.and you will find it easier toread and communicate.A Know B Knowing C Knew D Known One more word ,and I will hit you flat这句话中文是什么意思? 家中哪些东西可以用来当磷钾肥 怎么自制磷钾肥 如何配磷钾肥 The trip from Kitty's school to the World Park took about two hours by coach(同义句转换）We _____about 2 hours_____ _____kitty's school_____the World Park难死了，在线等啊 The trip from Kitty's school to the World Park took about two hours by coach(对划线部分提问)划线部分是about two hours ___ ___ ___ the trip from Kitty's school to the World Park __by coach? The trip from Kitty's school to the World Park took __ about two hours___ by coach 划线部分提问_____ ______ _______ the trip from Kitty's school to the Worid Park ______by coach? The trip from Kitty's school to the World Park took about two hours by coach(同义句转换）It's about two _____ _____ by coach from Kitty's shool to the World Park 填什么?是填hours' way 还是hours away还有我想知道away的用法··· 每把椅子x元 每张桌子的价钱比每把椅子的5倍少y元 Look At Us -Sarina Paris look at 的意思是什么?有多少写多少 .. look at They\'re looking at us.的意思是什么 蜗牛要住在哪我家捡了一只大蜗牛不知道该怎么办 用于鱼体消毒的漂白粉药液要如何配制?