2001除2001又2002分之2003+2003分之1

问题描述:

2001除2001又2002分之2003+2003分之1

错了,应该是
=2001÷(2001+2001/2002)+1/2003
=2001÷[(2001×(1+1/2002)]+1/2003
=1÷(1+1/2002)+1/2003
=2002/2003+1/2003
=1