Ответ: 25x²-2x+0.04
Объяснение: (5x-0.2)²=(5x)²-2*5x*0.2+0.2²=25x²-2x+0.04
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Ответ: 25x²-2x+0.04
Объяснение: (5x-0.2)²=(5x)²-2*5x*0.2+0.2²=25x²-2x+0.04