[讨论]9月math机经125题

maer

125) when positive integer a is divided by another positive integer b , the quotient is 5 and remainder is 3 , which of the following could be the value of a ?
a) 13  
b) 38
c) 57
参考答案: B
思路: 就是说应满足a=5b+3,b>5 余数应该比除数小

A,B都对吧。

maer

got it, tks