《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
关键词：《It costs one thousand eight hundred yuan》教学课件，外研版一起点四年级下册英语课件，四年级英语幻灯片课件下载，《It costs one thousand eight hundred yuan》PPT课件下载，.ppt格式
