提问几道GRE数学题
P48
Anumberbetween5and10与Anumberbetween8and14比大小答案是不确定
Thenumberofdifferentpositivedivisorsof12与thenumberofdifferentpositivedivisorsof50比大小
P49
x,y,zarepositiveintegers,andz>x>y.Theremainderwhenzisdividedbyx与Theremainderwhenzisdividedbyy比大小答案是不确定
P43
Apurchaseplanforastereoreceiverrequires20percentofthetotalcostasadownpaymentandmonthlypaymentsof$30.Thetotalcostofthestereoreceiver与$450比大小答案是不确定
P40
Inacertaintwo-digitnumber,theunits'digitistwicethetens'digit.Thetens'digit与5比大小答案是后者大