2006÷2008分之2007

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/14 19:32:50

2006÷2008分之2007

2006÷(2007/2008)
=2006×2008/2007
=(2007-1)×2008/2007
=2007×2008/2007-1×2008/2007
=2008-2008/2007
=2008-(1+1/2007)
=2008-1-1/2007
=2007-1/2007
=2006又2006/2007
望采纳~~~