#include<bits/stdc++.h> using namespace std; int main(){ double d1,d2,d3,d4; d1=43211234; d2=d1*d1*d1; d3=1.0/11; d4=1.9; cout<<"d1="<<d1<<endl; cout<<"d1*d1*d1="<<d2<<endl; cout<<"1.0/11="<<d3<<endl; cout<<"1.9="<<d4<<endl; cout.precision(25); cout<<"d1="<<d1<<endl; cout<<"d1*d1*d1="<<d2<<endl; cout<<"1.0/11="<<d3<<endl; cout<<"1.9="<<d4<<endl; return 0; ]