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Lesson 15: 30 (5/8)

Fill in every blank with the sign it stands for, then press submit or type 's'.

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  1. 30
  2. 30-iΕ‘
  3. d30
  4. d30-aΕ‘
  5. d30-aΕ‘-Ε‘a

0 of 12 blanks filled; empty blanks will be marked incorrect.