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Best problem from Yi Ke Yi Lian (1)

Algebra Level 2

Solve the equation >-< Please round your answer to the thousandth place

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

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including olympiad champions, researchers, and professionals.

Your answer seems reasonable. Find out if you're right!

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by Fish Zhu

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