(1)正数有:(3,+3.333,+8,+8/7 )
(2)负数有: ( -0.01,-(2+1/2) ,-101.1,-100 )
(3)整数有:(,3,+8,-100 )
(4)正分数有:( +8/7 )
(5)负分数有:( -(2+1/2) )
(1)正数有:(3,+3.333,+8,+8/7 )
(2)负数有: ( -0.01,-(2+1/2) ,-101.1,-100 )
(3)整数有:(,3,+8,-100 )
(4)正分数有:( +8/7 )
(5)负分数有:( -(2+1/2) )