The make-24 puzzle is an oldie, but a very fun one at that.
Given four different numbers, produce—through a sequence of operations upon only those four numbers—the number twenty-four.
For example, given $2,2,3,8$ you can make $24$ by: $2\times 3\times\frac82$.
Note that each of the given numbers must be used exactly one time in the solution, and no other digits may appear anywhere.
This question is for the robbers to submit solutions to the problems posed by the cops.
The cops' thread should contain posts which specify the
- four numbers you are allowed to use
- operations you are allowed to use
Have a look at the problems people have submitted on the cops' thread and see if you can solve any of them. If you do manage to solve any, show it off here!
Make sure that your answer contains a link back to the problem's post, you can get the url by clicking the "share" link at the bottom of an answer.
So, your answers should be somewhat modelled like:
I had a lot of fun solving Chris' problem! Here's his post: https://puzzling.stackexchange.com/a/404. I can use plus, minus, divide, multiplication, square roots and factorials to get $24$ from $3,8,12,50$ and I finally did it!
And my solution:
$$\sqrt{50\times8}+\frac{12}3=24$$
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