小学英语、数学题(紧急。。。)
来源:百度知道 编辑:UC知道 时间:2024/06/04 02:36:50
1、You can see many movies here,some of them are from China,some of them are from foreign countries.( )
2、If you want to get on the train,first you should go here.
( station)
一件上衣标价240元,售出后可以获得五分之一的利润。这件上衣的成本是多少元?(利润=成本乘利润率)
从A城到B城,四分之三是平路,其余是上坡路和下坡路。一辆汽车从A,B城两城之间往返一趟,偶给你个形式20千米的上坡路。A,B两城相距多少千米?
1、You can see many movies here,some of them are from China,some of them are from foreign countries.( cinema )
2、If you want to get on the train,first you should go here.
( train station)
一件上衣标价240元,售出后可以获得五分之一的利润。这件上衣的成本是多少元?(利润=成本乘利润率)
解:设成本为x元
x×(1+0.2)=240
x =240÷1.2
x =200
答:成本为200元
从A城到B城,四分之三是平路,其余是上坡路和下坡路。一辆汽车从A,B城两城之间往返一趟,偶给你个形式20千米的上坡路。A,B两城相距多少千米?
解:依题意:AB两城相距20÷0.25(即四分之一)=80(km)
答:AB两城相距80千米
说明:往返一趟中,去时上坡归时便成了下坡,所以20千米的“上坡路”其实包括了去时的上坡下坡路
1、You can see many movies here,some of them are from China,some of them are from foreign countries.(cinema )
2、If you want to get on the train,first you should go here.
( railway station)
一件上衣标价240元,售出后可以获得五分之一的利润。这件上衣的成本是多少元?(利润=成本乘利润率)
200元
从A城到B城,四分之三是平路,其余是上坡路和下坡路。一辆汽车从A,B城两城之间往返一趟,偶给你个形式20千米的上坡路。A,B两城相距多少千米?