تمارين رياضية

[sanae]

Explain why we do not consider 0/0 as numbers.
Prove that there is no rational number whose square is 2.

Prove that between any two rational numbers there is another rational number.
Prove that the set of all rational numbers between 0 and 1 inclusive is countable.
اعتذر على عدم الترجمة.

[شهد الحياة]

thanx