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：作业帮 时间：2024/11/23 20:30:56
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
xN@_#ƕ6K/E QJ @REH`pUv+81p(dJ.*,qtHŠ}1Fѧ+6~9œ:q׎+(% r+XCHikن%xhC9g@ F*Wžsm0$2b? ->;|Nj\c (Qvel{1`#,t|~"̨-;J6tp߅.cK<Ua6z€*Ni4L6CکvD.سs >p8p8Ϫ=#G }]m

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.

啊

hgfhfghfgvmnm,bhvhtttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt...

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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?