Task/25769342
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Известно : 5x²y³ = 8 .
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Найти
1) 45x²y³ = 9*5x²y³ =9*8 = 72.
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2) 3x²y³ =(3/5)*5x²y³ =0,6*8 = 4,8.
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3) - 5,5x²y³ = -1,1*5x²y³ = -1,1*8 = - 8,8.
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4) 25x⁴y⁶ =(5x²y³)² = 8² = 64.
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5) 125x⁶y⁹ =(5x²y³)³ =8³ = 512.
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6) 625/128 x⁸y¹² = (1/128)*(5x²y³)⁴ =(1/128)*8⁴ =64*64/128 = 32.