印第安人最先发明和发展1到9的数字系统的翻译：Indians were first invented and developed system of numbers 1 to 9 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Indians invented and developed the first digital system 1 to 9

Indians were first invented and developed system of numbers 1 to 9

The Indian invents and develops 1 first to 9 number systems

Indians invented the first 1 to 9 and the development of digital systems

Indians were first invented and developed system of numbers 1 to 9