(1003*1001)/(2003*2003+4006-3)
问题描述:
(1003*1001)/(2003*2003+4006-3)
答
(1003*1001)/(2003*2003+4006-3)
=(1003*1001)/(2003*2003+2*2003-3)
=(1003*1001)/(2003-1)(2003+3)
=(1003*1001)/(2002*2006)
=1/4