2010+2007*(1/3-1/2001)+3*(1/2007-1/2010)-2010*(1/2007+1/3)用简便方法计算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 07:38:36
2010+2007*(1/3-1/2001)+3*(1/2007-1/2010)-2010*(1/2007+1/3)用简便方法计算2010+2007*(1/3-1/2001)+3*(1/2007-1/

2010+2007*(1/3-1/2001)+3*(1/2007-1/2010)-2010*(1/2007+1/3)用简便方法计算
2010+2007*(1/3-1/2001)+3*(1/2007-1/2010)-2010*(1/2007+1/3)用简便方法计算

2010+2007*(1/3-1/2001)+3*(1/2007-1/2010)-2010*(1/2007+1/3)用简便方法计算
2010+2007/3-2007/2010+3/2007-3/2010-2010/2007-2010/3
=2010+(2007-2010)/3+(3-2010)/2007-(2007+3)/2010
=2010-1-1-1
=2007