А1  Разложить на множители:

                  2                          2          2

а) 48 -3 х                   б)2ах    - 2ау               в)4с - 8с + 4

        2                    2

г) 6х  + 12ху + 6у

А2  представте в виде произведения:

       2      2                                       2             2

а)m   - n   + m + n            б) (у - 3) - 4(у - 3)

                                  2                     2

А3 Чему равно: 3а + 6аb + 3аb,    если а+b =9

                                                                     2             2

B1 Вычислите:            37 х  12,2 + 22,4   - 14, 6

 

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