为什么这个就可以了
public class HelloWorld{
phttps://www.imooc.com/code/1298#editor-tabs-javaublic static void main(String[] args) {
int one = 10 ;
int two = 20 ;
int three = 0 ;
int three1=one+two;
three1=30;
int three2=three1+one;
three2=40;
int three3=three2-one;
three3=30;
int three4=three3*one;
three4=300;
int three5=three4/one;
three5=30;
int three6=three5%one;
three5=0;
System.out.println("three=one+two:"+three);
System.out.println("three+=one:"+three);
System.out.println("three-=one:"+three);
System.out.println("three*=one:"+three);
System.out.println("three/=one:"+three);
System.out.println("three%=one:"+three);