作业帮送妹妹上学
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 06:01:51
mysisterlucyhasnotgotoschoolyet
Yestadymysisterisill,butwantstogotoschool.
Mysistergoestoschoolontheschoolbus.
Mysisiterisnotoldenoughtogotoschool.
你好：相遇时哥哥比妹妹多行了：120×2=240米相遇时间：240÷（90-70）=12（分）家离学校距离=70×12+120=960（米）再问：能不能用方程做?再答：设x分钟相遇90x-120=70
likesgoingtoschool
Mysisterisnotoldenoughtogotoschool.
Areyouryoungsisterandualwayslatetoschool?哈哈--7年不碰英语的人飘过.所以你最好不要相信我.
Myyoungersisteristooyoungtogotoschool.
mysistergoestoschooleveryday.mysisterdoesn'tgotoschooleveryday.
去小荷作文网找呗~~~~~
Mysisteristooyoungtogotoschool.Mysisterisn'toldenoughtogotoschool.
Mysisteristooyoungtogotoschool.
willbeableto
我妹妹昨天没有上学,因为得了流感Mysisterwasabsentforschoolyesterdayforaflu.
设姐姐用了X分钟则妹妹用了（X+5）分钟50X=45（X+5）50x=45x+2255x=225x=4550x=2250再问：可不可以不用X代入法的计算再答：45*5=225225/（50-45）=4
妹妹去上学,刚到半路但是又回来了
Mysisteristooyoung,soshecan'tgotoschool.
Mysisterisnotoldenoughtogotoschool.
Yoursistershouldgotoschool