The reading method is: the numbers should be capitalized, such as the numbers written in one, two, three, four, five, six, seven, eight and nine. For example: 58, pronunciation: 58. Writing: refers to writing with lowercase Arabic numerals, such as 1, 2, 3, 4, 5, 6, 7, 8, 9. For example: 73, writing: 73. .