Calculate the number 256
NUMBERMANIA: Calculate the number 256 using numbers [3, 5, 7, 7, 12, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
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There is no language wherein a double positive can form a negative
A linguistics professor was lecturing to his English class one day. βIn English,β he said, βa double negative forms a positive.
In some languages, though, such as Russian, a double negative is still a negative.
However, there is no language wherein a double positive can form a negative.β
A voice from the back of the room piped up, "Yeah, right."