《It costs one thousand eight hundred yuan》PPT课件

《It costs one thousand eight hundred yuan》PPT课件

三位数：

200  two hundred

400  four hundred

百和十指间用”and”连接。

690---six hundred and ninety

729---seven hundred and twenty nine

四位数：

3,900---three thousand, nine hundred

4,500---four thousand, five hundred

5,609---five thousand, six hundred and nine

2,390---two thousand, three hundred and ninety

... ... ...

Advantages:

Easy to do homework\easy to find documents\access a lot of information on the Internet

Disadvantages:

Expensive\needs electricity to work\ can break down access to bad or incorrect information

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