الرياضيات

تدريبات الدرس السابع

التحقق من صحة ناتج الطرح

    

أجد ناتج الطرح ثم أتحقق مستعملا الجمع:

8.          57                              27                              

         -  30                             + 30                                   

   _________                    _________

             27                                57

 

9.         60                             50

         -  10                          + 10

   _________                 _________

             50                            60

 

10.         42                             37

         -   5                            + 5

   _________                      _________

             37                                 42

 

11.        75                             34

         -  41                         +   41

   _________                   _________

             34                            75

 

12.        41                              15

         -  26                          +   26

   _________                 _________

             15                              41

 

13.        74                              46

         -  28                            + 28

   _________                  _________

             46                              74

 

14.        56                             28

         -  28                         +  28

   _________                _________

             28                            56

 

15.        56                           45

         -  11                        +  11

   _________                _________

             45                           56

 

16.        47                             16

         -  31                           + 31

   _________                  _________

             16                              47

 

نشاط: