1- الف)  2، 29

 ب) مرکب چون به غیر از یک وخودش بر 3 نیز بخش پذیر است  یا    147=3×49

 ج)           2

 )             c

2-                                  

3-      الف)                  

       ب)                                   

   ج)                                                                           

4- عدد جذر 18/9        وباقی مانده = 69/.

5-                           

                    

6-  ج

7-                        4=الف

ب                            

8-






ج)                        

9-                                                                  

                                                                     

                                                              

                                                                    

10-   الف)


         ب)                                      


        ج)                                                  

11-الف)                 


      ب)                                                                 

 12-                                                             

                                                            

                                                                  

                                                                         

                                                                         

                                                                          

13-الف)                                                                       

                                                                                     


     ب)