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王大爷家收获桃子250箱．王大爷称了其中5箱，重量分别为：15.2kg、15.3kg、16.1kg、15.8kg、15.1kg．

（1）这5箱桃子平均每箱重多少千克？

（2）王大爷家一共约收获桃子多少千克？

答案

（1）（15.2+15.3+16.1+15.8+15.1）÷5

=77.5÷5，

=15.5（千克），

答：这5箱桃子平均每箱重15.5千克；

（2）15.5×250=3875（千克），

答：王大爷家一共约收获桃子3875千克．

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     Cyber Boy  5-26-2012  2:15 pm
     Hi, I'm planning a trip to Europe this summer. I haven't decided where to go yet, but I'd like to
experience Britain and France. And I don't want to spend too much money, Any ideas?
      Esperanto  5-26-2012  2:23 pm
     I had tour to Britain last year. It's a very nice place. I had a great time there. If you get a chance,
visit Stratford. That's the town where Shakespeare lived.
     Yoshi   5-26-2012  2:28 pm
     First you should make sure what you want to do there. Each country in Europe has so much to see.
Are you interested in museums and castles (城堡)?Or do you want to get to know anything modern?
      Cyber Boy   5-26-2012  3:02 pm
     Yoshi-Good question. I'd like to see some museums, but I also want to try some of France's famous
food, and a castle would also be great.
     Yoshi   5-26-2012  3:21 pm
     I think an English-France-Germany trip might work well for you. You can do a little bit of everything.
That's wonderful.
      Esperanto  5-26-2012   3:38 pm
     It's easier to say than to do. It will need a lot of money and take time. Cyber Boy isn't so rich. I think
he'd better go in France first this time and he is still able to travel to England or Germany in the future if
possible.
     Yoshi   5-26-2012  3:54 pm
     Esperanto-That sounds OK. But I'm not sure if he will have another trip to Europe.
1. Where can we probably find the message?
A. In a school newspaper.            
B. In a local magazine.
C. On the Internet.                  
D. On a wall poster
2. Cyber Boy organized the discussion in order _________.
A. work out a travel plan              
B. make some new friends
C. find much pleasure                
D. suggest a group tour
3. Yoshi suggested Cyber Boy should _________.
A. take a simple tour to three countries    
B. visit modern cities in Europe
C. choose England for future travel        
D. pick Germany for this summer
4. Esperanto was considering Cyber Boy's difficulty with _________.
A. language          
B. transportation      
C. money        
D. custom
5. When Yoshi said "That sounds OK." He was _________ Esperanto's idea.
A. agreeing with    
B. agreeing against  
C. followed      
D. copying
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解答题

方程2x=0，x的值是0．______．
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