The Indians first invented and developde the 1 to 9 system o

The Indians first invented and developde the 1 to 9 system o The Indians first ivented the (1 to 9) system of numbers.括号部 The Indians invented the system of the numbers. 改为同义句：The Indians invented the system of numbers The Indians first invented and developed numbers.对划线部分提问 Who invented the first computer? Who invented the first telephone? Why did the Europeans call the First Nation people Indians? _____is believed that Bell invented the first telephone in 1 Windows was the first operating system to develop a mouse. the first telephone was invented in() Who invented the first steam engine?