This was a very inportant invention because it made it easier to write big numbers and to calculate

This was a very inportant invention because it made it easier to write big numbers and to calculate
This was a very inportant invention because it made it easier to write big numbers and to calculate

This was a very inportant invention because it made it easier to write big numbers and to calculate
这是一项非常重要的发明,因为它让较大的数字便于书写和计算