Yesterday

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Across
  1. 1. "What goes up must come down," e.g.
  2. 4. this is a given
  3. 7. x + y = y + x, e.g.
Down
  1. 1. Baseball league below majors
  2. 2. Three on grandfather clock
  3. 3. yummy
  4. 5. Poison on cartoon
  5. 6. tick tack toe winner