2006×2008×(1/2006×2007+1/2007×2008)怎么算?

问题描述:

2006×2008×(1/2006×2007+1/2007×2008)怎么算?

2006×2008×(1/2006×2007+1/2007×2008)
=2006×2008×1/2006×2007+2006×2008×1/2007×2008
=2008/2007+2006/2007
=4014/2007
=2