1.#includemain(){float bil1,bil2,hasil;printf("Masukkan bilangan 1=");scanf("%f",&bil1);printf("Masukkan bilangan 2=");scanf("%f",&bil2);hasil=bil1/bil2;if (bil2==0)printf("division by zero");elseprintf("%g / %g= %10.3g",bil1,bil2,hasil);}

2. /* program akar persamaan kuadrat */#include #include main()

{

float a,b,c,d,x,x1,x2;printf ("PROGRAM UNTUK MENGHITUNG PERSAMAAN KUADRAT \n");printf ("Nama : %s\n", "BENNY SANTHO YOSEP TUMANGGGOR");printf ("NIM : %s\n", "5133331002 ");printf (" Jurusan : %s\n", " Pendidikan Teknik Elektro " );printf (" =========================================================\n ");printf ("=========================================================\n ");printf("Nilai a: ");scanf("%f", & a);if(a==0)printf("Bukan persamaan kuadrat\n");else{printf("Nilai b: ");scanf("%f", &b);printf("Nilai c: ");scanf("%f", &c);d=(b*b)-(4*a*c);if (d