diff --git a/Dev1.1/Dev2809/Devinette b/Dev1.1/Dev2809/Devinette
new file mode 100755
index 0000000..705e91d
Binary files /dev/null and b/Dev1.1/Dev2809/Devinette differ
diff --git a/Dev1.1/Dev2809/Devinette.c b/Dev1.1/Dev2809/Devinette.c
new file mode 100644
index 0000000..6cb9778
--- /dev/null
+++ b/Dev1.1/Dev2809/Devinette.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+
+int i;
+int chiffre = 0;
+srand(time(NULL));
+int var = rand()%100+1 ;
+for(i= 0; i < 5; i++){
+	printf("rentrez un entier :");
+	scanf("%d", &chiffre);
+	if (chiffre == var) {
+		printf("c'est le bon chiffre Bravo !\n");
+	return EXIT_SUCCESS; }
+	if (chiffre > var) {
+		printf("-\n");
+	}else{
+		 if (chiffre < var ) {
+		 	 printf("+\n");}
+			 }
+	}
+printf("Le chiffre était : %d\n",var);
+	return EXIT_SUCCESS;
+}
+
+
+
+
+
+
+
+
+
diff --git a/Dev1.1/Dev2809/Figures.c b/Dev1.1/Dev2809/Figures.c
new file mode 100644
index 0000000..ea99435
--- /dev/null
+++ b/Dev1.1/Dev2809/Figures.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void){
+	int i;
+	int premier;
+	int add;
+	printf("Entrez un nombre premier :");
+	scanf("%d", &premier);
+	for (i=0;i<premier-1;i++) {
+		
+
diff --git a/Dev1.1/Dev2809/Premier b/Dev1.1/Dev2809/Premier
new file mode 100755
index 0000000..b813e90
Binary files /dev/null and b/Dev1.1/Dev2809/Premier differ
diff --git a/Dev1.1/Dev2809/Premier.C b/Dev1.1/Dev2809/Premier.C
new file mode 100644
index 0000000..6a5602b
--- /dev/null
+++ b/Dev1.1/Dev2809/Premier.C
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+
+int i;
+int chiffre = 0;
+printf("rentrez un entier naturel :");
+scanf("%d", &chiffre);
+if (chiffre == 0) {
+	printf("Erreur Chiffre nul \n");
+}
+if (chiffre == 2 || chiffre == 1) {
+	printf("C'est un chiffre premier\n");
+}
+for (i = 2; i < chiffre;i++) {
+	if (chiffre % i == 0) {
+			printf("Ce n'est pas un nombre premier\n");
+			return EXIT_SUCCESS;
+	}else{
+		printf("C'est un nombre premier\n");
+	return EXIT_SUCCESS;
+}
+}
+}
+
+
diff --git a/Dev1.1/Dev2809/Progression.c b/Dev1.1/Dev2809/Progression.c
new file mode 100644
index 0000000..ba21e1c
--- /dev/null
+++ b/Dev1.1/Dev2809/Progression.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+	int i;
+	int terme;
+	int resultat;
+	int nbr1 = 0;
+	int nbr2 = 1;
+	printf("Quel terme voulez vous ? :");
+	scanf("%d",&terme);
+	for (i = 0; i <terme+1;i++) {
+		if (i <= 1)
+			resultat = i;
+		else
+		{ resultat = nbr1 + nbr2;
+			nbr1 = nbr2;
+			nbr2 = resultat;}
+	}
+	printf("%d\n", resultat);
+	return EXIT_SUCCESS;
+}
+		
+	
+
diff --git a/Dev1.1/Dev2809/TableMultiplication b/Dev1.1/Dev2809/TableMultiplication
new file mode 100755
index 0000000..0562824
Binary files /dev/null and b/Dev1.1/Dev2809/TableMultiplication differ
diff --git a/Dev1.1/Dev2809/TableMultiplication.c b/Dev1.1/Dev2809/TableMultiplication.c
new file mode 100644
index 0000000..b571e18
--- /dev/null
+++ b/Dev1.1/Dev2809/TableMultiplication.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+#define TAILLE 11
+
+int main(void) {
+	int i;
+	int y;
+	printf("  X  |");
+	for ( i = 0; i < TAILLE+1;i++){
+		printf("%3d  ",i);
+	}
+	printf("\n");
+	printf("-----+");
+	for (i = 0;i< TAILLE+1;i++){
+		printf("-----");
+	}
+	printf("\n");
+	for ( i = 0;i<TAILLE+1;i++){
+		printf("%3d  ",i);
+		printf("|");
+		for (y = 0; y<TAILLE+1;y++){
+		printf("%3d  ",i*y);}
+		printf("\n");
+	}
+return EXIT_SUCCESS;
+
+}
+
+
diff --git a/Dev1.1/Dev2809/progression b/Dev1.1/Dev2809/progression
new file mode 100755
index 0000000..a4eae7f
Binary files /dev/null and b/Dev1.1/Dev2809/progression differ