関連ワード:  is negative 3 a rational number    is minus 3 a rational number    is negative 2 3 a rational number    is negative 1 3 a rational number    is negative 3 4 a rational number    is negative 3 7 a rational number    is negative 3 5 a rational number    is negative 8 3 a rational number    is negative 3 squared a rational number    is negative 15 3 a rational number