【9又2008/2009-(8-1/2009)】/2 *1/2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 22:05:41
![【9又2008/2009-(8-1/2009)】/2 *1/2](/uploads/image/z/7606127-47-7.jpg?t=%E3%80%909%E5%8F%882008%2F2009-%288-1%2F2009%29%E3%80%91%2F2+%2A1%2F2)
x){0i>հ547L7RlT_`gC}SA*m5,u-
M F0yv o@
【9又2008/2009-(8-1/2009)】/2 *1/2
【9又2008/2009-(8-1/2009)】/2 *1/2
【9又2008/2009-(8-1/2009)】/2 *1/2
【9又2008/2009-(8-1/2009)】/2 *1/2
=(9-8+2008/2009+1/2009)/4
=2/4
=1/2