2008+2007+2006+2007×97简便运算

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/11 13:29:10

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