関連ワード:
which rational number is its own additive inverse which rational number is its own multiplicative inverse which rational no is its own additive inverse which rational number has its own additive inverse which rational number has its own multiplicative inverse write the rational number which is its own additive inverse rational number 0 is its own additive inverse is there a rational number which is its own additive inverse there exists a rational number which is its own additive inverse is there any rational number which is its own additive inverse
