(1)21と1の合計である基数
(2)the cardinal number that is the sum of twenty-one and one
さらに詳しく
(1)23と1の合計である基数
(2)the cardinal number that is the sum of twenty-three and one
(1)24と1の合計である基数
(2)the cardinal number that is the sum of twenty-four and one
(1)28と1の合計である基数
(2)the cardinal number that is the sum of twenty-eight and one
