1/(2/3)/(3/4)/(4/5)/./(1999*2000)简便方法

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/05 23:48:11

1/(2/3)/(3/4)/(4/5)/./(1999*2000)简便方法

1/(2/3)/(3/4)/(4/5)/./(1999/2000)=2000/2=1000