Everyone knows at least two languages .
Everyone knows at least two languages .
In antcient times,people wrote numbers in many diferent ways.
The system of numbers today consists of the numbers from 1 to 9 and 0.
A computer can do a calculation in a flash.
The beads on the wires stand for ones,tens,hundreds and thousands.
要中文
In antcient times,people wrote numbers in many diferent ways.
The system of numbers today consists of the numbers from 1 to 9 and 0.
A computer can do a calculation in a flash.
The beads on the wires stand for ones,tens,hundreds and thousands.
要中文
赞
可能相似的问题
-
1年前3个回答
-
1年前1个回答
你能帮帮他们吗