瓦列里·尼科洛夫（Valeri-Nikolov）：equ1

导入java.util.Scanner; 公共类调试{公共静态void main（String [] args）{扫描仪扫描器=新Scanner（System.in）; double test = 123.412423523523; // double celing = Math.ceil（test）; //System.out.print(celing）; //закръглявадоцялоголямочисло // double round = Math.round（test）; // System.out.print（round）; //双层= Math.floor（test）; // System.out.print（floor）; System.out.printf("%.4f", test); }}