Question

Use the operation signs +,-,x and divide once each so that the value of the expression is 11.

7__2__(7__5)__11

Answer 1

See explanation for answer

Explanation:

As far as I know, the best way to solve this it to guess and check. You can make some logical inferences, for instance that you probably won't be dividing or multiplying 5 and 7, as the resulting number would either not be an integer or would be too large. Thinking like this, you can find that
`7+2*(7-5)/ 1=7+4/ 1=11`. Hope this helps!