関連ワード:  is 1/12 rational or irrational    is 1 12 rational or irrational    is 1 11 12 rational or irrational    is 12 1 2 rational or irrational    is 12 1 3 rational or irrational    is 12.5 rational or irrational    is 12 rational or irrational  
結果 : is 1/12 rational or irrational