1.2 2 5 393740hrduhdidie
1. (4x - 1 - 0.5)(4x - 1 + 0.5) = (4x - 1.5)(4x - 0.5)
2. (3a - 2 - a)(3a -2 + a) = (2a - 2)(4a - 2)
3. (5m - 4 - m)(5m - 4 + m) = (4m - 4)(6m - 4)
4. (7n - 3 - 3n)(7n - 3 + 3n) = (4n - 3)(10n - 1)
Объяснение:
1.2 2 5 393740hrduhdidie
1. (4x - 1 - 0.5)(4x - 1 + 0.5) = (4x - 1.5)(4x - 0.5)
2. (3a - 2 - a)(3a -2 + a) = (2a - 2)(4a - 2)
3. (5m - 4 - m)(5m - 4 + m) = (4m - 4)(6m - 4)
4. (7n - 3 - 3n)(7n - 3 + 3n) = (4n - 3)(10n - 1)
Объяснение: