Brilliant

Practice

Excel in math and science.

Join using Facebook Join using Google Join using email

Existing user? Log in

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

That seems reasonable. Find out if you're right!

Join using Facebook Join using Google Join using email

Existing user? Log in

Operator Search

Filling in parenthesis (only) - Operator Search

Can we add parenthesis such that the expression is equal to 24?

$1 + 2 + 3 \times 4$

Yes No

Show explanation

by Brilliant Staff

$2 \div 2 \div 2 \div 2$

The above expression can be parenthesized in various ways. Which of the following gives the largest value?

2 \div (2 \div 2) \div 2

2 \div 2 \div (2 \div 2)

2 \div ((2 \div 2) \div 2 )

2 \div (2 \div (2 \div 2 ))

Show explanation

by Brilliant Staff

$9 - 7 \times 5 - 3$

The above expression can be parenthesized in various ways. Which of the following gives the smallest value?

(9 - 7) \times 5 - 3

9 -( 7 \times 5 - 3)

9 - 7 \times (5 - 3)

(9 - 7) \times (5 - 3 )

Show explanation

by Brilliant Staff

$3 \div 4 - 5 \times 6$

The above expression can be parenthesized in various ways. Which of the following gives an integer value?

3 \div (4 - 5) \times 6

3 \div( 4 - 5 \times 6)

3 \div 4 - (5 \times 6)

3 \div ((4 - 5) \times 6 )

Show explanation

by Brilliant Staff

Can we add parenthesis such that the expression is equal to 17?

$9 + 8 \times 7 - 6$

Yes No

Show explanation

by Brilliant Staff

Problem Loading...

Note Loading...

Set Loading...