提问几道GRE数学题P48A number between 5 and 10与A number between 8 and 14比大小 答案是不确定The number of different positive divisors of 12与the number of different positive divisors of 50比大小 P49x,y,z are positive integers,and

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提问几道GRE数学题P48A number between 5 and 10与A number between 8 and 14比大小 答案是不确定The number of different positive divisors of 12与the number of different positive divisors of 50比大小 P49x,y,z are positive integers,and
提问几道GRE数学题
P48
A number between 5 and 10与A number between 8 and 14比大小 答案是不确定
The number of different positive divisors of 12与the number of different positive divisors of 50比大小
P49
x,y,z are positive integers,and z>x>y.The remainder when z is divided by x与The remainder when z is divided by y比大小 答案是不确定
P43
A purchase plan for a stereo receiver requires 20 percent of the total cost as a down payment and monthly payments of $30.The total cost of the stereo receiver与$450比大小 答案是不确定
P40
In a certain two-digit number,the units' digit is twice the tens' digit.The tens' digit与5比大小 答案是后者大

提问几道GRE数学题P48A number between 5 and 10与A number between 8 and 14比大小 答案是不确定The number of different positive divisors of 12与the number of different positive divisors of 50比大小 P49x,y,z are positive integers,and
A number between 5 and 10是一个5-10之间的数,A number between 8 and 14是一个8-14之间的数,所以大小关系不确定,可能前者大,也可能后者大,或相等
The number of different positive divisors of 12是12的正因数个数,有1,2,3,4,6,12共6个
the number of different positive divisors of 50是50的正因数个数,有1,2,5,10,25,50共6个
所以相等
x,y,z are positive integers,and z>x>y.
The remainder when z is divided by x指z除以x的余数
The remainder when z is divided by y指z除以y的余数
这是不确定的,举例来说吧,
如 10>9>8,这时10除以9的余数比10除以8的余数小
10>8>3,这时10除以8的余数则比10除以3的余数大
10>9>3,这时两者相等
A purchase plan for a stereo receiver requires 20 percent of the total cost as a down payment and monthly payments of $30.
题目没说要一共付几个月,所以无法确定总价,也就无法与450比大小了
In a certain two-digit number,the units' digit is twice the tens' digit.
一个两位数的个位数字是十位数字的两倍,那么十位数字肯定比5小,否则个位数字就大于或等于10了.

提问几道GRE数学题P48A number between 5 and 10与A number between 8 and 14比大小 答案是不确定The number of different positive divisors of 12与the number of different positive divisors of 50比大小 P49x,y,z are positive integers,and 几道GRE数学题 急:提问几道GRE数学题1.A/x + A/y=1.In this formula,x and yrepresent the time needed for each of two workers to complete the job alone; Arepresents the time it takes for both x and y to complete the job workingtogether.So each fraction represen 提问几道GRE绿皮数学题P58The toll for a certain bridge is $0.15 or 1 token.Tokens are sold in packs of 40 for $4.00.The percenty save on 40 trips across the bridge if a token,rather than $0.15,is used to pay each toll与66又2/3比大小 答 提问几道GRE数学题!都是绿皮上的,本人数学不大好,P275.39In how many of the integers between 1 and 100 does the digit 5 occur exactly once?答案是18,题目啥意思,如何做?P231.2A train travels 60 miles per hour for 3 hours and t 新GRE数学题求助> 提问几道GRE数学题1.若自然数n被3除余2,被4除余1,问n被12除余几?52.2001年的元旦是星期六,问2002年的元旦是星期几?周日 用到同余理论?3．若自然数n是完全平方数,则根号下n也为n的一个因子,在n 我想提问几道数学题,题里有图,我想画了图,再带图提问,还有怎么在图上打字 几道小学数学题 几道数学题, 几道数学题. 几道数学题填空 几道数学题, 几道离散数学题 几道数学题, 几道高等数学题 几道大学数学题 几道高等数学题