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1970 AMC 12 Question 18

AMC12 · 1970 AMC 12

Question 18

$\sqrt{3+2\sqrt2}-\sqrt{3-2\sqrt2}$ is equal to:
  1. $2$
  2. $2\sqrt3$
  3. $4\sqrt2$
  4. $\sqrt6$
  5. $2\sqrt2$