A:《齐谐》者,志怪者也楚之南有冥灵者,以五百岁为春。
B:天之苍苍,其正色邪?其远而无所至极邪?其皆出于此乎?
C:内外多置小门墙,往往而是适莽苍者,三餐而后反
D:所以游目骋怀,足以极视听之娱古人所以重施刑于大夫,殆为此也
在实数﹣7,0.32,16,53,227,﹣π2中,无理数有____ 个.
–Are you free tonight?
—Sorry, but I'm not . I've got so much homework to do.