Выбери все правильные дроби:

• \(\frac{3}{7}\)
• \(\frac{11}{77}\)
• \(\frac{12}{11}\)
• \(\frac{11}{121}\)
• \(\frac{77}{22}\)
• \(\frac{12}{12}\)
• \(\frac{121}{33}\)
• \(\frac{22}{33}\)