家住幸福小区的淘气每天步行上学,如果每分钟走60
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 10:23:03
先求出上学步行的速度:100/80=1.25m/s求20min所走的距离:20min=1200sS=1.25*1200=1500m
由题目可知:这天小刚提早出门,比平时早9分钟与李大叔相遇.就是说,提前走的这段距离与两人合走9分钟的距离是相等的.设,提前x分钟出门.60x=(60+40)*9x=15
iwalktoschooleverdayigotoschoolbyfeeteverday
Myhomeisfarfrommyschool,soIwalktoschooleveryday.Ittakesmefifteenminutestogettoschool.祝你学习进步,更上一层楼!请记
Iwalkstoschooleveryday.
MybrotherwalkstoschooleverydayMybrothergoestoschoolonfooteveryday
Wewalktoschooleverymorning.
LiHua'sandWangBing'sfathersarebothpolicemen.→WhatdoLiHua'sandWangBing'sfathersdo?/WhatareLiHua'sandW
总共2000m,如果不算放学的就1000m
从数学的角度是这样的:300×2×2=1200(米)
不妨设路程S乐=5,S天=4,V乐=10,V天=9.则设他们共同的比例系数为K.则(S乐/V乐)*K=12(分)得K=24则天天的为:(S天/V天)*K=32/3(分)再问:有点看不懂,能举个6年级能
Iwalktoschooleveryday,Igotoschoolonfooteveryday.
Bob怎么上学?HowdoesBobgotoschool?他乘地铁上学。(两种)Hetakesasubwaytotoschool.Hegoestoschoolbysubway.她骑自行车上学。(三种)
距离为:S=πdx150x8=3.14x60x150x8=226080cm=2260.8m即淘气家离学校2260.8m.希望可以帮到你.
Sheishealthy.Shedoesexercisethreetofourtimeseveryday.再答:Shewalktoschooleveryday.再问:对着吗再答:恩,一句话对应一句话再
40*9/60=6分钟解析:李大爷的出门时间是没变的,早9分钟相遇,说明李大爷比平时少走9分钟的路即40*9,而李大爷少走的路就是杨平提前出门多走的路程,所以用路程除以速度即是时间.
Manyofuswalktoschooleveryday.walk有两种解释:1.做名词,是步行,走;散步的意思.2.做不及物动词(vi)走,步行;散步.不及物动词后面需要跟介词的,所以,“步行上学”
Igotoschoolonfooteveryday.
1.Igotoschoolwithmygoodfriendeveryday.→Igotoschoolwithoutmygoodfriendeveryday.2.Tomgoestoschoolonfoo
Walktotheschool/gotoschoolbyfoot.