-3,0,0.04,-2.7,7分之3,|-3|,-|-5分之4|,+2,(-5),-2的3次方.
问题描述:
-3,0,0.04,-2.7,7分之3,|-3|,-|-5分之4|,+2,(-5),-2的3次方.
(1)整数集合:( )
(2)负分数集合( )
(3)负有理数集合:( )
(4)非负有理数集合:( )
(5)分数集合:( )
答
(1)整数集合:(-3,0,|-3|,+2,(-5),-2的3次方)
(2)负分数集合(-2.7,- |-5分之4|)
(3)负有理数集合:(-3,-2.7,-|-5分之4|,(-5),-2的3次方)
(4)非负有理数集合:(0,0.04,7分之3,|-3|,+2,)
(5)分数集合:(0.04,-2.7,7分之3,-|-5分之4|)
写老长时间了,
楼下抄袭是孙子!