А1. Вычислите 27² • 9⁴
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81²
А) 3 Б)9 В)27 Г)243 Д)729
А2. Найдите разность многочленов 3х+1 и -3х²-3х+1
А) 3х²+6х б) 3х² в) -3х²+2 г)-3х²-6х
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