Use the operation signs +,-,x and divide once each so that the value of the expression is 11.
7__2__(7__5)__11
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Answer:
See explanation for answer
Step-by-step 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 [tex]7+2\times(7-5)\div 1=7+4\div 1=11[/tex]. Hope this helps!