2008+2007+2006+2007×97简便运算

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2008+2007+2006+2007×97简便运算

2008+2007+2006+2007×97简便运算
2008+2007+2006+2007×97简便运算

2008+2007+2006+2007×97简便运算
2008+2007+2006+2007×97
=2007+1+2007+2007-1+2007×97
=2007*3+2007*97
=2007*(3+97)
=2007*100
=200700

2008+2007+2006+2007×97
=2007+1+2007+2007-1+2007×97
=3*2007+2007*97
=2007*(97+3)
=200700

2008+2007+2006+2007×97
=2007x3+2007x97
=2007x(97+3)
=200700