Calculate the number 6669
[5412] Calculate the number 6669 - NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 6669

NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] 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.
#brainteasers #math #numbermania
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In the Act

A Howard County Policeman broke up a young couple in the act of lovemaking on a pathway in Columbia.

The girl berated the officer long and loud with a barrage of obscenities.

The boy was silent throughout the confrontation.

The officer arrested them both anyway.

The girl was charged with disorderly conduct, the boy with having an offensive person on his weapon.

Submitted by Calamjo

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Luigi Cremona

Born 7 Dec 1830; died 10 Jun 1903 at age 72.Antonio Luigi Gaudenzio Giuseppe Cremona was an Italian mathematician who was an originator of graphical statics (the use of graphical methods to study forces in equilibrium) and work in projective geometry. Cremona's work in statics is of great importance and he gave, in a clearer form, some theorems due to Maxwell. In a paper of 1872 Cremona took an idea of Maxwell's on forces in frame structures that had appeared in an engineering journal in 1867 and interpreted Maxwell's notion of reciprocal figures as duality in projective 3-space. These reciprocal figures, for example, have three forces in equilibrium in one figure represented by a triangle while in the reciprocal figure they are represented by three concurrent lines.
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