Question

answer my qustion please help me

Answer 1

A)|--------|-------|----------|

  1          2     3          4  

Answer 2

Answer:

[in each question this formulae follows [- x - =  +]

1.]   [+8]-[-5]

      =8+5  =  13

2.]  [-6]-[+2]

    =6+2     =   8

3.]  [-7]-[+5]

        =  7+5    =   12

4.]   [+4]-[-8]

         =  4+8   =   12

hope it helps

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