July 2022 1 15 Report

Задания 7-ого класса.

 

Вычислите:

 

3⁶×27

______

81²

 

Преобразуйте в многочлен:

 

а) (2x-1)²

б) (3a+c)²

в) (в-8)²-(64-6в)

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