1)整数集合{-4,-30};分数集合{-6.4,-3又1/3,-0.4,0.2,5/3,4.15,2又3/7};正数集合{0.2,5/3,4.15,2又3/7}
2)整数集合{-12,0,-3};正数集合{3.4,1/7};负分数集合{-2/3,-6.5,-0.4};分数集合{3.4,-2/3,-6.5,-0.4,1/7}
3)整数集合{0,318,261,-2008};正数集合{318,261,22/7,7%};分数集合{-1/4,-3.14,22/7,-0.8,7%};负数集合{-1/4,-3.14,-2008,-0.8}