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 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P43A 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 rece

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