A logic problem by Paola Ramírez

Logic Level 2

Digits 1, 9, 8 and 6 are chosen (each just once) to form two numbers of one, two or three digits. What is the greatest value of the product of this two numbers?

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100 Day Summer Challenge

A logic problem by Paola Ramírez

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, conceptual quizzes.

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Master advanced concepts through explanations, examples, and problems from the community.

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Courses

Topics

Community

100 Day Summer Challenge

A logic problem by Paola Ramírez

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, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.