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

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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

每个人都至少掌握两门语言.
古时候,人们用许多种不同的方法记录数字.
现在使用的计数体系是由数字1到9和0共同构成的.
电脑可以在瞬间完成计算.
线上的珠子代表个位,十位,百位和千位.