数学题算数
第1个小时响5秒,停3秒直到开始第2个小时的钟声共花时间:5+3=8秒第2个小时响5秒,停3秒直到开始第3个小时的钟声共花时间:2*(360问答5+3)=8秒第6个小时响5秒,停...
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数学题!!!
1.一架客机从北京飞往上海,飞行速度和所用时间(②).①成正比例②成反比例③不成比例2.两种相关联的量(③).①成正比例②成反比例③.不一定成比例3、圆柱的体积一定尔片,它的高和...
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初中趣味数学题
初中趣味数学题精选数学题是透过抽象化和逻辑推理的使用,由计数、计算、量度和对物体形状及运比促控动的观察中产生的来自。以下是我整理的关于初中趣味数学题,希望大家认真练习!1.一位老...
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英语数学题...求助
知道外国人答本础跑础数学题有格式要求所过程仅供参考1.帕特里克上了保险每月交1888美金三年需要交多少钱(保留两位有效数字)1year=12months,3years=36mon...
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数学题.........
**期末测验成绩,语文、数学、英语三科的平均分是88分,如果加上科技和自然,那么五科的来自平均分是90分其中自然比科技多得14分.自然和科技分别得了多少分用算术法:88X3=26...
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数学题!
第三、第四次的平均分比前两次的平均分多2分???解:设第一次考试到最后一次考试分数分别为a、b、c、d、e、f由题意可列出(a+b/2)+2=(c+d/2)(e+f/来自2)-2...
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小升初数学题
《数从庆培许求医州学小升初入学考试名校名试卷复习测试模拟真题假期作业(小学生家长慧整理)》**网盘**下载**目录:数学小升初入学考试名校名试卷复习测试360问答模拟真题假期作业...
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数学题。
一共200÷(70%-20%)=400人所以无所谓是400×10%=40人
数学题:******************************************************
🌟问题37°18'+62°56'179°-72°18'54''31°16'×515°20'÷来自5🎀🎀🎀🎀🎀【总共4个问题,需要“******************...
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数学题。。。
解答:设她最初有x颗糖果360问答,则(2/3)*(3/4)x=(1/2)x是她吃掉其中三分之一和赠送出余下中的四分之一后的剩余糖果数目。15*2+3=33,哥哥拿至易小山走的糖...
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数学题
商店通常用以下方法来确定两种糖果混合而成的什棉糖:设A种糖的价格为a元/kg,B种糖的单价为b元/kg,则m千克A种糖和n千克B种糖混合过济计罪书第罗班而成的什棉糖的单价为(ma...
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求数学题解答 问来自题如下:
设不等臂的天平的左右臂臂长之比为m:1.第一次,砝码置左盘究继打即五,糖果置右盘,顾客得到糖果m千克,第二次,砝码垂脚肉置右盘,糖果置左盘,顾客得到糖果1/m千克,顾客共得投开识...
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数学题啊,
智力题,考智商.一共多少个方块?16+9+4+5+5+1=40(个)考考大家:这是一道可以测出一个人有没有商业头脑的数学题。王师傅是卖鱼的,一斤鱼进价45元,现*****,顾客3...
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