2008+2007+2006+2007×97简便运算
问题描述:
2008+2007+2006+2007×97简便运算
答
2008+2007+2006+2007×97
=2007+1+2007+2007-1+2007×97
=2007*3+2007*97
=2007*(3+97)
=2007*100
=200700