【栩栩声威】问一下飞碟哥哥姐姐一些数学题哦~~~(没时间登陆)
许飞吧
全部回复
仅看楼主
level 1
1、修一条公路,已修了全长的1/3又15千米,这时已修的长度和剩下的长度比是4:7,这条公路长多少米?(列式计算) 2、甲乙两人共同生产一批零件,甲单独做要15天完成,乙单独做要12天完成。已知甲每天比乙少做40个,甲每天做多少个?(列式计算) 请各位飞碟哥哥姐姐们帮帮忙哒~~~ 
2006年05月31日 05点05分 1
level 6
呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~呵呵~~~~
2006年05月31日 05点05分 3
1