a                b

⁻⁻⁻⁻⁻⁻⁻⁻   -  ⁻⁻⁻⁻⁻⁻⁻

  a-b           a+b

 

 

  4-a           2a-5

⁻⁻⁻⁻⁻⁻⁻⁻  +  ⁻⁻⁻⁻⁻⁻⁻⁻⁻

  a-3           3-a

 

 

 a     b                                  3ab

⁻⁻ - ⁻⁻⁻⁻ дробь в скобках *  ⁻⁻⁻⁻⁻⁻⁻

 b      a                               a+b

 

 

  7x²          x²-9

⁻⁻⁻⁻⁻⁻⁻  *   ⁻⁻⁻⁻⁻⁻⁻

 3-x           14x³

 

 x²+10x+25          x²-25

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ /   ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

    x²+5x            x³

 

 

помогите решить очень надо

 

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