kl.1 +,- do 4,.docx

                                                                  2+2=

                                        1+1+2=

                                         3-1=

                                         2+1=

                                                                  1+2+1=       

                                         4-3=          

3-2=

4-1=

2+1=        

2-1=

3+1=

  2    +1                  -2                    +1                +2       4    

                                                                                              -3

                  1                  4                  3                1  

4

                                                                  2+2=

                                        1+1+2=

                                         3-1=

                                         2+1=

                                                                  1+2+1=       

                                         4-3=          

3-2=

4-1=

2+1=             

2-1=

3+1=            

       +1                   -2                    +3                -1        

5                                                                                            - 3

  4               6                  2                  7                 

5