星期天 有很多人在胜利动物园游玩,其中老年人人数和中年人人数的比是2:9

kindsofanimalsintheManydifferentfood

IoftengotothezooonSunday,therearemanyanimalsinthezoo.Look!KangaroofromAustralia,itdoesnoteatmeat,itr

Ourfamilywenttothezoo.Therewerealotofanimals,forexamplemonkeys,pandas,tigers,lionsandsoon.Westayedth

1、s1=200ts2=4800-200t2、当t=15时有：s1=200x15=3000s2=4800-200x15=18003、到达动物园时有s2=0代入得：4800-200t=0200t=480

(TodayisSunday,myfathertookmetothezoo.Thezoohasalotofpeople,theyalsoseetheanimals.Thereareavarietyof

总人数有没有啊,条件不足啊,设老年人数为y,中年人数为x,儿童人数为z,所以y/x=2/9;x/z=3/7,y为1时x=4.5没有半个人的所以y最小为2即老人:中年:儿童=2:9:21,只能按这个倍数

45再问：你是不是人再答：应该吧再答：┗(｀ー´)┓ 

1Thezooisverybig,thereareavarietyofanimal,thereisabiglakepark,manychildrenliketoplay2Thetwefriendswe

设家到动物园的距离为x千米,规定时间就是骑自行车的时间x/15,搭乘公交车的时间为x/25,后者比前者快1小时4分钟,换算成小时为16/15小时.根据题意可得x/15-x/25=16/155x/75-

TodayisSunday.Myfathertookmetothezoo.Whenwegottothere,thezoowascrowdedwithpeople.Manypeoplewentthere

IhaveawalkintheparkinSundayafternoon.It'sasunnyday.Inthepark,thereisateachergoforawalkwithadog.Shese

LastSunday,Iwenttothezoowithmyfriends.Inthezoo,therearemanyanimals,forexample,tigers,lions,pandaands

先抛开左右桨都会的一共5*2=10再让左右桨都会的光滑左桨一共3*0=6再让左右桨都会的光滑右桨一共5*3=15再从左右桨都会的中间选俩人3*2=6由于船只能坐6人,已选好俩,剩下8个再选4个组合一共

Ivisitedthezoowithmyyoungerbrotherlastweek.Theskywasclear.Wetookthepublictransportthere.Therewereman

你们这样做是不对的.试想这些可爱的动物生病的话该谁负责?你们如果真心喜欢这些可爱的小动物就不会这样做了.

TonyoftengoestothezooonSunday.Therearemanyanimalsinthezoo.Look!ThiscangaroocomesfromAustralia,iteats

Tip:todayisSunday,LiuRannoclass,heandhisfatherwenttothezoo.Wherehesawmanyanimals,tiger,monkeys,panda

大约和左右意思相近,所以应删除其中之一.改为：星期天,大约有5000人到公园游玩.或星期天,有5000左右的人到公园游玩.

it'ssundaytoday.thesunisshining,andmyfriendsandIwenttothebeach.Ttherearemanypeoplethereonvacation.So

小明计划星期天上午去买英语书,下午去动物园游玩.这样的句子怎么翻译?(1)XiaomingwillplantobuyEnglishbooksonSundaymorningandmakethetript