英语翻译Numbers:Everyone'slanguage.AncientnumbersInancienttimes,peoplewrotenumbersinmanydifferentways.However,theynearlyallcountedintens.ZeroThesystemofnumberstodayconsistsofthenumbersfrom1to9and0(zero).TheIndians

Question

英语翻译
Numbers:Everyone's language.
Ancient numbers
In ancient times,people wrote numbers in many different ways.However,they nearly all counted in tens.
Zero
The system of numbers today consists of the numbers from 1 to 9 and 0 (zero).The Indians first invented and developed the 1 to 9 system of numbers.They then invented the zero.This was a very important invention because it made it easier to write big numbers and to calculate.
Calculating machines
One of the first calculating machines was an abacus.Abacuses are fast and accurate,so people still use them today.On the abacus in the picture,the beads on the wires represent ones,tens,hundreds and thousands starting from the bottom wire.
Now,we use modern calculators.The picture on the right shows a modern calculator.It can add,subtract,multiply and divide.It can also calculate percentages and square roots.

Answer 1

数字:大家的语言.原始数字远古时代,人们通过不同的方式记录数字,但是他们几乎都在10之内.零今天的数字系统包括数字1-9和0.印度人首先发明和发展了1-9的数字系统.不久他们又发明了0.之所以这是非常重要的发明,是因为...