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Nhap chieu dai = 10Nhap chieu rong = 8Dien tich hinh chu nhat la: 80Chu vi hinh chu nhat la: 36Press any key to continue . . .
#include<iostream>using namespace std;void main(){ float dai,rong; cout<<"Nhap chieu dai = "; cin>>dai; cout<<"Nhap chieu rong = "; cin>>rong; cout<<"Dien tich hinh chu nhat la: "<<dai*rong<<"\n"; cout<<"Chu vi hinh chu nhat la: "<<(dai+rong)*2 << endl; system("pause"); }
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