Ответ:
1. a) (0,4a²)²
в) (a-4)²
2. а) (a + b)(4 + y)
в) (6x - 5)(6x + 5)
3. 4 - 8c = 4(1 - 2c)
4(1 - 2 * 0.5) = 0
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Ответ:
1. a) (0,4a²)²
в) (a-4)²
2. а) (a + b)(4 + y)
в) (6x - 5)(6x + 5)
3. 4 - 8c = 4(1 - 2c)
4(1 - 2 * 0.5) = 0