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what is the next pattern?
Algebra
Level 1
what color is the box with"?"
orange
brown
pink
blue
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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.
Used and loved by over 6 million people
Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.
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seems reasonable.
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That seems reasonable.
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