lvalue required as left operand of assignment

#include<iostream>
using namespace std;
int a[9],b[3];
int i,j,x;
int main()
{
a[0]=1;
for(i=1;i<=8;i++)
a[i]=a[i-1]+1;
for(i=0;i<=8;i++){
for(x=0;x<=8;x++)
for(j=0;j<=2;j++)
b[j]=a[j]*100+a[i]*10+a[x];
if(b[0]/b[1]=(1/2) && b[1]/b[2]=(2/3) && b[0]/b[2]=(1/3))
cout<<b[0]<<" "<<b[1]<<" "<<b[2]<<endl;}
return 0;
}