数字20，30，40，50，60，70，80，90，100用英文怎么写？

The numbers 20, 30, 40, 50, 60, 70, 80, 90, and 100 can be written as follows: "Twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety, and one hundred."

Numbers 20 to 100 in English can be written as follows:

- 20: twenty

- 30: thirty

- 40: forty

- 50: fifty

- 60: sixty

- 70:七十

- 80: eighty

- 90: ninety

- 100: one hundred

百位和千位数字的表达:

- 1: one hundred (or one hundredth)

- 200: two hundred

- 500: five hundred

- 1,000: one thousand

- 1,100: one thousand, one hundred; or eleven hundred

- 1,500: one thousand, five hundred; or fifteen hundred

- 2,000: two thousand

- 2,100: two thousand, one hundred; or twenty-one hundred

- 2,500: two thousand, five hundred; or twenty-five hundred