Ответы на вопрос:
А) 5√2+2√32-√98 = 5√2+2√16×2-√49×2 = 5√2+8√2-7√2 = (5+8-7)√2 = 6√2 б) (4√3+√27)√3 = (4√3+√9×3)√3 = (4√3+3√3)√3 = 4×3+3×3 = 12+9 = 21 в) (√5-√3)^2 = 5-2√15+3 = 8-2√15 г) 6√3+√27-3√75 = 6√3+√9×3-3√25×3 = 6√3+3√3-15√3 = (6+3-15)√3 = -6√3 д) (√50-2√2)√2 = (5√2-2√2)√2 = 5×2-2×2 = 10-4 = 6 е) (2-√3)^2 = 4-4√3+3 = 7-4√3
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