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(2011•古冶区一模)某公司承担了制作600个上海世博会道路交通指引标志的任务...
(2011•古冶区一模)某公司承担了制作600个上海世博会道路交通指引标志的任务,原计划x天完成,实际平均每天多制作了10个,因此提前5天完成任务.根据题意,下列方程正确的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/0.png)
-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/1.png)
=10
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/2.png)
-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/3.png)
=10
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/4.png)
-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/5.png)
=5
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/6.png)
+10=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230735193213097/SYS201310212307351932130007_ST/7.png)
考点分析:
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