1/4*2007-2008*25%+2009*0.25怎么做快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 00:41:15
![1/4*2007-2008*25%+2009*0.25怎么做快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!](/uploads/image/z/3996766-46-6.jpg?t=1%2F4%2A2007-2008%2A25%25%2B2009%2A0.25%E6%80%8E%E4%B9%88%E5%81%9A%E5%BF%AB%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81%EF%BC%81)
1/4*2007-2008*25%+2009*0.25怎么做快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1/4*2007-2008*25%+2009*0.25怎么做
快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1/4*2007-2008*25%+2009*0.25怎么做快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1/4*2007-2008*25%+2009*0.25
=1/4*2007-2008*1/4+2009*1/4
=1/4*(2007-2008+2009)
=1/4*2008
=502
原式
=501.75-502+502.25
=502
也可以是1/4*(2007-2008+2009)=502