题目把下列各有理数填入相应的集合里:
−5,
10,
0,
+253,
0.01,
+66,
−53,
15%,
722.
整数集合:
{⋯______};
负数集合:
{⋯______};
非负整数集合:
{⋯______};
分数集合:
{⋯______};
正有理数集合:
{⋯______};
非负数集合:
{⋯______}. 知识点:绝对值(二)章节:第1章 有理数 / 1.2 有理数 / 1.2.4 绝对值
答案与解析
答案
整数集合:
{−5,10,0,+66,⋯};
负数集合:
{−5,
−53,
⋯};
非负整数集合:
{10,0,+66,⋯};
分数集合:
{+253,
0.01,
−53,
15%,
722,
⋯};
正有理数集合:
{10,
0,
+253,
0.01,
+66,
15%,
722,
⋯};
非负数集合:
{10,
0,
+253,
0.01,
+66,
15%,
722,
⋯}.
故答案为:
−5,
10,
0,
+66;
−5,
−53;
10,
0,
+66;
+253,
0.01,
−53,
15%,
722;
10,
0,
+253,
0.01,
+66,
15%,
722;
10,
0,
+253,
0.01,
+66,
15%,
722.
解析
整数集合:
{−5,10,0,+66,⋯};
负数集合:
{−5,
−53,
⋯};
非负整数集合:
{10,0,+66,⋯};
分数集合:
{+253,
0.01,
−53,
15%,
722,
⋯};
正有理数集合:
{10,
0,
+253,
0.01,
+66,
15%,
722,
⋯};
非负数集合:
{10,
0,
+253,
0.01,
+66,
15%,
722,
⋯}.
故答案为:
−5,
10,
0,
+66;
−5,
−53;
10,
0,
+66;
+253,
0.01,
−53,
15%,
722;
10,
0,
+253,
0.01,
+66,
15%,
722;
10,
0,
+253,
0.01,
+66,
15%,
722.