関連ワード:  is 5 over 8 rational or irrational    is 5 8 rational or irrational    is 5 3 8 rational or irrational    is 5 1 8 rational or irrational    is 7 5 8 rational or irrational    is 2 5 8 rational or irrational    is 8 rational or irrational  
結果 : is 5 over 8 rational or irrational