1.

1/(2*sqrt(2) %2B 3) %2B 1/(sqrt(7) %2B 2*sqrt(2)) %2B 1/(sqrt(6) %2B sqrt(7)) %2B 1/(sqrt(5) %2B sqrt(6)) %2B 1/(2 %2B sqrt(5)) %2B 1/(sqrt(3) %2B 2) %2B 1/(sqrt(2) %2B sqrt(3)) %2B 1/2

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