2/3 3/2 9/4(27/8 )(81/16 ) 分析:首先2/3 乘3/2得3/2接着2/3 乘3/2得9/4其次9/4乘3/2得27/8最后27/8乘3/2得81/161L说的道理正解,同意。
27/8 81/16后数是前数3/2
27/8 还有81/16