10 15
Download
1 / 4

???????????? 10 ????????? 15 ???? ??????????? - PowerPoint PPT Presentation


  • 67 Views
  • Uploaded on

教室墙面刮瓷,甲队单独干 10 天完成,乙队单独干 15 天完成。 两队合干几天可以完成?. 1 、学校要铺地板砖,甲组单独铺要 6 天完成,乙组单独铺要 9 天完成, 两组合作,几天可以完成任务?. 2 、一批涂料,单独用来刷课桌 可以刷 200 张,单独用来刷椅 子可以刷 300 张。这批涂料可 以刷多少套课桌椅?.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' ???????????? 10 ????????? 15 ???? ???????????' - wing-clayton


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
10 15

教室墙面刮瓷,甲队单独干10

天完成,乙队单独干15天完成。

两队合干几天可以完成?


10 15

1、学校要铺地板砖,甲组单独铺要

6天完成,乙组单独铺要9天完成,

两组合作,几天可以完成任务?


10 15

2、一批涂料,单独用来刷课桌

可以刷200张,单独用来刷椅

子可以刷300张。这批涂料可

以刷多少套课桌椅?


ad