大于-8.14并且不是正整数的整数共有多少个?

来源:百度知道 编辑:UC知道 时间:2024/05/23 10:48:11

9个
-8,-7,-6,-5,-4,-3,-2,-1,0

-8,-7,-6,-5,-4,-3,-2,-1,0
显然的是9个啦

首先设,满足条件的数为x

x 不为正整数,那么 x <= 0

又 x > -8.14 所以求绝对值有 |x|<|8.14|, x为整数,即 |x| <= 8, 又根据绝对值定义 |x|>=0, 所以
0 <= |x| <= 8 即 0 <= (-x) <= 8, 亦即 0 >= x >= -8, 所以是9个

9个
-8,-7,-6,-5,-4,-3,-2,-1,0