Question

2001*(1／8-1／2009)+8*(1／2001-1／2009)-2009*(1／8+1／2001)+8

Answer 1

化简即可

2001/8-2001/2009+8/2001-8/2009-2009/8-2009/2001+8

归类 2001/8-2009/8=-1; -2001/2009-8/2009=-1; 8/2001-2009/2001=-1;

答案：-3+8=5