OpenStudy (anonymous):

how can you use the following numbers in an equation 5 7 9 10 12 (using each number only once) to get the answer 3?

5 years ago
OpenStudy (anonymous):

what equation?

5 years ago
OpenStudy (anonymous):

just subtract 2 everytime and the next term you will get is 3

5 years ago
OpenStudy (anonymous):

Any equation you can make up. Using those numbers.

5 years ago
OpenStudy (anonymous):

You can't use 2. You can only use these numbers.

5 years ago
OpenStudy (anonymous):

yeah to get 3 you have to subtract by 2

5 years ago