Intellectual development

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Across
  1. 4. , board game of the royals
  2. 6. , learn languages
  3. 8. , ability to solve problems
Down
  1. 1. , match the peaces
  2. 2. , van Gogh known for
  3. 3. , things which u read
  4. 5. , the ability to learn
  5. 7. , things which u think