六年级数学..英文的,用加减乘除的方式帮我~!谢谢!如题：A set of dictionaries which fitted exactly 4 shelves,each 2.05 m long,was replace by a new set.Every 7 old dictionaries was replaced by 4 new ones,each 5 cm thick.If the new s

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六年级数学..英文的,用加减乘除的方式帮我~!谢谢!如题：A set of dictionaries which fitted exactly 4 shelves,each 2.05 m long,was replace by a new set.Every 7 old dictionaries was replaced by 4 new ones,each 5 cm thick.If the new s
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六年级数学..英文的,用加减乘除的方式帮我~!谢谢!如题：A set of dictionaries which fitted exactly 4 shelves,each 2.05 m long,was replace by a new set.Every 7 old dictionaries was replaced by 4 new ones,each 5 cm thick.If the new s
六年级数学..英文的,用加减乘除的方式帮我~!谢谢!
如题：
A set of dictionaries which fitted exactly 4 shelves,each 2.05 m long,was replace by a new set.Every 7 old dictionaries was replaced by 4 new ones,each 5 cm thick.If the new set of dictionaries also fitted the 4 shelves exactly,what was the difference in the number of dictionaries between the two sets ?
这道题很乱那..看不懂额..谁帮我..? 算式用【加减乘除】的方式写给我..谢谢..

六年级数学..英文的,用加减乘除的方式帮我~!谢谢!如题：A set of dictionaries which fitted exactly 4 shelves,each 2.05 m long,was replace by a new set.Every 7 old dictionaries was replaced by 4 new ones,each 5 cm thick.If the new s
一套字典放在4个书架上,每个2米05.现在用一套新的字典换掉旧的.每7本旧的字典用4本新的换掉,每本5厘米厚.如果新的字典也刚好放进4个书架,问旧的那套字典比新的多几本?
205乘以4 得总长度
再除以5 得新字典多少本
再除以4乘以3 因为每4本新字典就比老的少3本,得出差值
123本

六年级数学..英文的,用加减乘除的方式帮我~!谢谢!如题：A set of dictionaries which fitted exactly 4 shelves,each 2.05 m long,was replace by a new set.Every 7 old dictionaries was replaced by 4 new ones,each 5 cm thick.If the new s 六年级下数学金试卷（有理数的加减乘除） 求加减乘除的计算方式 请帮我编一首数学儿歌（关于加减乘除的） 加减乘除的英文,如上 11345678用加减乘除的方式怎样等于100 四个九用加减乘除符号的方式等于2 小学六年级的加减乘除混合运算题 加减乘除的计算方法小学数学的加减乘除计算方法 用文字来表示数学加减乘除的公式的表达方式 数学的加减乘除还有什么各种几何图形 代数 小数等等的英文是什么! 小学数学名词的英文对照运算方面的加减乘除面积体积 初一数学正负数加减乘除我今年六年级,找初一的书看时才发现正负数的加减乘除很难（不懂该怎样理解）,这方面有没有窍门? .英文的,用加减乘除的方式帮我~1.There are three bulbs in a shop.One lights up every 4 mintues,another bulb lights up every 8 mintues and the third bulb lights up every 11 mintues.All the bulbs light up together when Ali walked into the sh 帮我出120道数学口算题六年级的 帮我找几道六年级数学的扇形题 六年级的数学怎么做?各位哥哥姐姐帮一下 帮我出120道数学口算题六年级的