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
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
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
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.