小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页?((只列式不计算)用算术写

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/26 23:48:05
小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页?((只列式不计算)用算术写小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看

小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页?((只列式不计算)用算术写
小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页?(
(只列式不计算)用算术写

小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页?((只列式不计算)用算术写
已看是全书的3\(3+7)=7/10
12÷(1/2-3/10)=60(页)
好吧,我计算了= =,保证正确,你自己算看看吧.

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hgfhfghfgvmnm,bhvhttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

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小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页? 小影看一本书,看过的页数与没看过的页数的比是3:7,再看12页,正好看了全书的2分之1,这本书有多少页?((只列式不计算)用算术写 一本书,看过的页数比总页数少90页,没看过的比总页数少200页.问这本书共有多少页? 小明看一本书,看过的页数比总页数少90页,没有看过的页数比总页数少200页,总页数一共有多少页? 一本故事书已经看过的页数是未看过页数的4分之3,那么没有看的页数是总页数的几分之几 小李看一本故事书、看过的页数比总页数少90页、没看过的页数比总页数200页、这本书一共多少页? 一本书剩下的页数是已看过页数的8/7,剩下的页数占这本书总页数的 二年级数学小刀看一本故事书,看过的页数比总页数少90页,没有看过的页数比总页数少200页.这本故事书一共有多少页? 淘气看一本书,第一天看了全书的20%,第二天比第一天多看24页,他看过的和没看过的页数比是4:3,这本书有几页? 一本数学故事书,看过的页数比总页数少90页,没有看得页数比总页数少200页,这本书一共多少页? 小明阅读一本书,第一天看了这本书的1/4,第二天看了50页,这是已经看过的页数与未看过的页数比是3:5这本书的页数 一本书剩下的页数是已看过页数的7/8 剩下的页数占这本书的几分之几今天要 一本书剩下的页数是已看过页数的7/8 剩下的页数占这本书的几分之几? 有一本书,你看过的页数比总页数少90,你没有看过的页数比总页数少200,问这本书多少页?怎么算? 看一本书,已看的页数与全书总页数的比是2:7.(1).已看页数与没看页数的比是( );(2).已看页数是没看页数的几分之几;(3).没看页数是已看页数的几分之几. 问:小力看一本数学故事书,看过的页数比总页数少90页,没有看过的页数比总页数少200页,这本书一共有多少页?没有看过的页数比总页数少200页,这句话怎么解释? 小米和小贝一起看一本故事书,已经看了全书的1/4如果再看15页,则看过的页数与未看的页数的比是2:3,这本故事书共有多少页? 一本书,看了的页数与剩下页数的比是5:3,已知看了的页数么比没看的页数多200页.这本书共有多少页?