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VA ROG URGENT!
1.15sqrt(7) + 3\{- 4sqrt(3) + 5[2sqrt(7) + 3(3sqrt(3) - 7)]\}
2.2sqrt(3) - 7\{8sqrt(2) - 4[5sqrt(3) + 3(4sqrt(2) - 3sqrt(3))] / 8\}​