当前位置:初中试题 > 数学试题 > 有理数的认识 > 把下列各数填入相应的数集内:-100,+12,313,-27,0.01,68,-10%,0,18‰,-214,2.0,0.•4•5,π.正有理数集:{     ...
题目
题型:解答题难度:一般来源:不详
把下列各数填入相应的数集内:
-100,+12,3
1
3
,-
2
7
,0.01,68,-10%,0,18‰,-2
1
4
,2.0,0.
4
5
,π.
正有理数集:{                                                 };
负有理数集:{                                                 };
整  数  集:{                                                 };
分  数  集:{                                                 };
自 然 数集:{                                                 };
非 负 数集:{                                                 }.
答案
正有理数集:{+12,3
1
3
,0.01,68,18‰,2.0,0.
4
5
};
负有理数集:{-100,-
2
7
,-10%,-2
1
4
};
整  数  集:{-100,+12,68,0,2.0};
分  数  集:{3
1
3
,-
2
7
,0.01,-10%,18‰,-2
1
4
,0.
4
5
};
自 然 数集:{+12,68,0,2.0};
非 负 数集:{+12,3
1
3
,0.01,68,0,2.0,0.
4
5
,π}.
核心考点
试题【把下列各数填入相应的数集内:-100,+12,313,-27,0.01,68,-10%,0,18‰,-214,2.0,0.•4•5,π.正有理数集:{     】;主要考察你对有理数的认识等知识点的理解。[详细]
举一反三
把下列各数填在相应的大括号里.
+8,+
3
4
,0.275,2,0,-1.04,
22
7
,-8,-100,-
1
3
0.
3

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