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.

Understanding the properties of arithmetic will allow you to simplify complex expressions and do difficult calculations in a flash. Just don't divide by 0... See more

Evaluate \[ 5 \times ( 7 + 3 ). \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by **Brilliant Staff**

True or False?

\[ 4 \times (2 + 3) = (4 \times 2) + 3 \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by **Brilliant Staff**

Evaluate \[ -7 -\big(50 -(24-(-15) \times 2 )\big). \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by **Brilliant Staff**

Evaluate

\[ 6 - \left( \left( \left( -\dfrac{1}{3} \right) + \dfrac{4}{3} \right) \times 2 \right) \div 2. \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by **Brilliant Staff**

Evaluate \[ 8 + 7 - ( 6 + 5 ). \]

examples, and problems from the community.

including olympiad champions, researchers, and professionals.

Sign up to access problem solutions.

by **Brilliant Staff**

© Brilliant 2017

×

Problem Loading...

Note Loading...

Set Loading...