#include<stdio.h>
#include<conio.h>
int main(){
float DiemToan, DiemLy, DiemHoa;
int HeSoToan, HeSoLy, HeSoHoa;
printf("\nNhap vao diem Toan:");
scanf_s("%f", &DiemToan);
printf("\nNhap vao diem Ly:");
scanf_s("%f", &DiemLy);
printf("\nNhap vao diem Hoa:");
scanf_s("%f", &DiemHoa);
printf("\nNhap vao he so Toan:");
scanf_s("%d", &HeSoToan);
printf("\nNhap vao he so Ly:");
scanf_s("%d", &HeSoLy);
printf("\nNhap vao he so Hoa:");
scanf_s("%d", &HeSoHoa);
float DiemTrungBinh = (DiemToan * HeSoToan + DiemLy * HeSoLy + DiemHoa * HeSoHoa) / (HeSoToan + HeSoLy + HeSoHoa);
printf("\nTrung binh = %f", DiemTrungBinh);
_getch();
return 0;
}