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Warming-up
大数的读法
1,000
1,000,000
1,000,000,000
注:十前加“and”
1000以上的基数词的表示法:
先从右到左数,每三位加一个逗号。
thousand(千)
million(百万)
billion(十亿)
如:1, 2 3 4, 5 6 7 , 8 9 0
billion million thousand
One billion two hundred and thirty four million five hundred and sixty seven thousand eight hundred and ninety
1,025
8,844
5,469
6,327
6,300
8,850
6,671
2,469
Let’s try!
6,300
5,000
5,464
300
___ The Yangtze River is about _______ kilometers long and the Yellow River is ______ kilometers long.
___ China has the biggest population in the world. It’s a lot bigger than the population of the US.