问题
解答题
食堂张叔叔在菜场买0.5千克豆角，交给售货员10元钱后，找回7.9元．每千克豆角多少钱？
答案
（10-7.9）÷0.5，
=2.1÷0.5，
=4.2（元）；
答：每千克豆角4.2钱．
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食堂张叔叔在菜场买0.5千克豆角，交给售货员10元钱后，找回7.9元．每千克豆角多少钱？
（10-7.9）÷0.5，
=2.1÷0.5，
=4.2（元）；
答：每千克豆角4.2钱．
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| London is such a wonderful city. It lies 1 the west of England. The city has 2 parts: the South and the North. In the North there are many important buildings , shops, big parks and interesting places. The weather in London is 3 . In winter it is not very cold and in summer it is not very hot because the city is 4 the sea. People say 5 London is a foggy city and that it often rains. It is true. I am in London now. I meet 6 fogs than before.You can hardly see your hand in front of your face. Cars and buses move along with their lights on. When evening falls , the weather 7 even worse. The fogs are as thick as milk. 8 the buses and cars stop. I 9 an important meeting on the other side of the town, but it is impossible to find a car. I have to get there 10 .
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