examples, and problems from the community.

including olympiad champions, researchers, and professionals.

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

Arm yourself with the tools to be the king or queen of heady mathematical debates, like the age old question of whether 0.999.... = 1.

\[\large \sqrt{4} = \, \color{red}{?}\]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by
**
Gabe Smith**

\[ \LARGE 2^{2^{2^{2^0}}} = \ ? \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by
**
Amisha Gupta**

\[\large A = \frac{1}{\left(\frac{0.5}{0.25}\right)} \hspace{5mm} \text{or} \hspace{5mm} B = \frac{\left(\frac{1}{0.5}\right)}{0.25}\]

Which of these numbers above is larger?

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by
**
Zandra Vinegar**

\[\large \text{Is } 0.9999 \ldots = 1? \]

Note. The "\(\ldots\)" indicates that there are infinitely many 9's.

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by
**
Jake Lai**

\[ \large (a-b) - c = a - (b - c)\]

Suppose \(a, b\) and \(c\) are numeric variables. Under what conditions is the equation above true?

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by
**
Damon Demas**

© Brilliant 2017

×

Problem Loading...

Note Loading...

Set Loading...