计算:321×654÷987÷654×987÷321=_.
问题描述:
计算:321×654÷987÷654×987÷321=______.
答
321×654÷987÷654×987÷321,
=(321÷321)×(654÷654)÷987×987,
=1×1÷987×987,
=1.
故答案为:1.