可知sqrt2007=3sqrt223(sqrt是根号),又因为x和y是正整数,所以得两组
sqrt(x)=sqrt223, sqrt(y)=2sqrt223;
sqrt(x)=2sqrt223, sqrt(y)=sqrt223.
即x=223, y=892;x=892, y=223.
可知sqrt2007=3sqrt223(sqrt是根号),又因为x和y是正整数,所以得两组
sqrt(x)=sqrt223, sqrt(y)=2sqrt223;
sqrt(x)=2sqrt223, sqrt(y)=sqrt223.
即x=223, y=892;x=892, y=223.