Calculate the number 1311
[4112] Calculate the number 1311 - NUMBERMANIA: Calculate the number 1311 using numbers [2, 7, 5, 2, 55, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1311

NUMBERMANIA: Calculate the number 1311 using numbers [2, 7, 5, 2, 55, 526] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Guilty Conscience

An elderly Italian Jew wanted to unburden his guilty conscience by talking to his Rabbi. "Rabbi, during World War II, when the Germans entered Italy, I pretended to be a Catholic and changed my name from Levy to Spumoni, and I am alive today because of it."
"Self preservation is allowable, and the fact that you never forgot that you were a Jew is admirable," said the Rabbi."Rabbi, during the war, a beautiful Jewish woman knocked on my door and asked me to hide her from the Germans. I hid her in my attic, and they never found her."
"That was a wonderful thing you did, and you have no need to feel guilty."
"It's worse, Rabbi. I was weak and told her she must repay me with sexual favors, which she did, repeatedly."
"You were both in great danger and would have suffered terribly if the Germans had found her. There is a favorable balance between good and evil, and you will be judged kindly. Give up your feelings of guilt."
"Thank you, Rabbi. That's a great load off my mind. But I have one more question."
"And what is that?"
"Should I tell her the war is over?"
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Georg Frobenius

Died 3 Aug 1917 at age 67 (born 26 Oct 1849).Ferdinand Georg Frobenius was a German mathematician who made major contributions to group theory, especially the concept of abstract groups (with Ludwig Stickleberger) and the theory of finite groups of linear substitutions (with Issai Schur), that later found important uses in the theory of finite groups as it applies to quantum mechanics. He also contributed to means of solving linear homogenous differential equations. The fact so many of Frobenius's papers read like present day text-books on the topics which he studied is a clear indication of the importance that his work, in many different areas, has had in shaping the mathematics which is studied today.
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