将下列各数填入相应的集合中.[22/7],-1,12,0,-3.01,-15,−23,180,-43,(-3)2,-45

1个回答

  • 解题思路:根据有理数的分类进行判断即可.有理数包括:整数(正整数、0和负整数)和分数(正分数和负分数).

    (1)整数:-1,12,0,-15,180,-43,(-3)2,1,

    (2)自然数:12,0,180,(-3)2,1;

    (3)正数:[22/7],12,180,(-3)2,1,0.62;

    (4)负数-1,-3.01,-15,−

    2

    3,-43,-45%,;

    (5)偶数:12,0,180;

    (6)奇数:-1,-15,-43,(-3)2,1;

    (7)分数:[22/7],-3.01,-[2/3],-45%,0.62;

    (8)非负数:[22/7],12,0,180,(-3)2,1,0.62;

    (9)非负整数:12,0,180,(-3)2,1;

    (10)非负有理数:[22/7],12,0,180,(-3)2,1,0.62.

    点评:

    本题考点: 有理数.

    考点点评: 考查了有理数,认真掌握正数、负数、整数、分数、正有理数、负有理数、非负数的定义与特点.注意整数和正数的区别,注意0是整数,但不是正数.