网址:http://m.1010jiajiao.com/timu3_id_599694[举报]
化简:(7-5)2000·(-7-5)2001=______________.
化简:(7-5)2000×(-7-5)2001=______________.
如果|2x+3|+(2y-1)2=0,那么(x+y)2001=________.
(-1)2001·(+l)2001=________.