ответить на тест((( Answer the following questions:
1 What is the text about?
2 What signs did people use instead of numerals?
3 What is the role of numerals in our life?
4 What numbers sound alike in many languages?
5 What number names is the word digit applied to?
6 How long has it taken people to learn to use numbers?
7 What is a numeral?
8 How did the first arithmetic book appear in Europe?
9 What numbers were the most important for people in the remote past?
10 What devices did they invent to make computation easier?
11 What operations were done on the abacus?
12 When did long division appear?
13 What were the first counting machines called?
14 Could they perform all basic operations of arithmetic?
15 What development was the next step in counting?

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