A.基數(shù) B.序數(shù) C.虛數(shù) D.比較數(shù) E.乘數(shù)
A.序數(shù) B.虛數(shù) C.基數(shù) D.分數(shù) E.乘數(shù)
A.基數(shù) B.序數(shù) C.虛數(shù) D.分數(shù) E.乘數(shù)