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2014-09-29T07:21:39+03:00

2(3 + √2) - √8 =
 = 2 × 3 + 2
√2 - √(4 × 2) =
= 6 + 2√2 - √4 × √2 =
= 6 + 2√2 - 2√2 =
= 6