搜狗做题网提问几道GRE数学题P48A number between 5 and 10与A number between 8 an
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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
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
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.
再问： 第一题还是没明白，5~10之间的距离大于4~8之间的距离，所以5~10之间的所有数不就是比4~8之间的所有数要少吗？ 倒数第二题可否翻译下 谢谢
再答： 不是，第一题是指一个位于5-10之间的数，即处于区间[5,10]，另一个是处于区间[4,8]，所以才大小不定 A purchase plan for a stereo receiver requires 20 percent of the total cost as a down payment and monthly payments of $30. 一个购买计划需要支付总价值20%作为订金，然后每月付30。 所以没说要一共付几个月……
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.
再问： 第一题还是没明白，5~10之间的距离大于4~8之间的距离，所以5~10之间的所有数不就是比4~8之间的所有数要少吗？ 倒数第二题可否翻译下 谢谢
再答： 不是，第一题是指一个位于5-10之间的数，即处于区间[5,10]，另一个是处于区间[4,8]，所以才大小不定 A purchase plan for a stereo receiver requires 20 percent of the total cost as a down payment and monthly payments of $30. 一个购买计划需要支付总价值20%作为订金，然后每月付30。 所以没说要一共付几个月……
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