Compute $121_3+2122_3-1200_3-2111_3$. Express your answer in base 3.
Question:
Compute $121_3+2122_3-1200_3-2111_3$. Express your answer in base 3.
Answer:
Let's think step by step.

user
-221_3
Compute $121_3+2122_3-1200_3-2111_3$. Express your answer in base 3.
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