设这段路长x米.
135:3=x:(3+8)
3x=135×11
x=495;
答:这段路长495米.
修路队修一段路,头3天修了135米,照这样速度,又修了8天才修完这段路,这段路长多少米?
修路队修一段路,头3天修了135米,照这样速度,又修了8天才修完这段路,这段路长多少米?
数学人气:461 ℃时间:2019-10-10 05:19:59
优质解答
我来回答
类似推荐
猜你喜欢
- 1英语选择题--I heard that her spoken English was very good.--Yes.She __ English very well.
- 2this is not __T--shirt.It is __ A her ,my B hers,main C her,main
- 3“未来的生活”英语怎么说,Our life in the future.这样写行吗?
- 4Trouble will find you no matter where you go,oh oh怎么读
- 5已知函数f(x)=sin(2x+π/6)+sin(2x-π/6)+cos2x+a(a∈R,a为常数)
- 6一个400米的环形跑道,原来每隔5米插一面旗,现在每隔8米插一面旗,不需要重新插的彩旗有几面?
- 7The forests of the tropics produce a magnificent growth of trees,but commercial lumbering is inhibited by problems that
- 8关于高中300词的感恩的英语作文
- 9幼儿园给小朋友分糖果,如果每人分5个,还剩14块;如果每个小朋友分7块,就少4块.问有小朋友和糖各多少
- 101-2+3-4+5-6+…+1991-1992+1993=_.