関連ワード:  2 3 4 5 is not a rational number true or false    2 3 4 5 is not a rational number    which of the following is not a rational number 2 3 4 5    is 4 2/3 a rational number    2/3 and 4/5 rational numbers  
結果 : 2 3 4 5 is not a rational number