July 2022 1 7 Report

                                                              №12

реши уравнение.

3b-2+6b-8b=10

                                                               №6

найди рациональное значение выражения.

4т 150кг * 69-4т 15 кг *69+7 т 900 кг *69=

 

  решите очень надо умаляю

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