2000×(2000/2001)简算
问题描述：
2000×(2000/2001)简算
答
=97X2000-96X2000-96 =(97-96 )X2000-96 =2000-96 =1904 97*2000-96*2001 =(96 1)*2000-96*(2000 1) =96*2000 2000-96*2000-96 =
答
=(2001-1)×2000/2001
=2001×2000/2001-1×2000/2001
=2000-2000/2001
=1999又1/2001