1,√(3 + 1) × √(3 - 1) 2, (2 + √(5) × (2 - √(5) 3, (2 + √(3) × (2 - √(3) 4,(√(3 + √(2) × (√(3 - √(2) 5, (√(5 + 2 × √(2) × (√(5 - 2 × √(2) 6,(√(3 + √(5) × (√(3 - √(5) 7, (20√(12 - 15√(27) ÷ 5 × √(3 8,(√(75 + √(243 - √(48) ÷ √(3 9, (2√(12 - 15√(27) ÷ 5√(3

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