Question

4、絕對(duì)值小于π的整數(shù)是

±3，±2，±1，0

．

Answer 1

分析：根據(jù)絕對(duì)值的性質(zhì)進(jìn)行解答．

解答：解：設(shè)所求的整數(shù)為a，
∵π＞3，∴|a|≤3；
故a可取的值為0，±1，±2，±3．

點(diǎn)評(píng)：絕對(duì)值的性質(zhì)：一個(gè)正數(shù)的絕對(duì)值是它本身；一個(gè)負(fù)數(shù)的絕對(duì)值是它的相反數(shù)；0的絕對(duì)值是0．