Lesson 20: 50 (3/5)
Fill in every blank with the sign it stands for, then press submit or type 's'.
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- 50
- π 50-uΕ‘
- π 50-iΕ‘
0 of 3 blanks filled; empty blanks will be marked incorrect.
Fill in every blank with the sign it stands for, then press submit or type 's'.
0 of 3 blanks filled; empty blanks will be marked incorrect.