関連ワード:  is square root of 2 2 a rational number    is square root of 2 divided by 2 a rational number    is square root of negative 2 a rational number    is square root of 1 2 a rational number    is square root of 2 3 a rational number    is square root of 9 2 a rational number    is square root of 2 5 a rational number    is square root of 2 an irrational number    is 8 square root of 2 a rational number    is square root of 10 over 2 a rational number  
結果 : is square root of 2 2 a rational number