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miercuri, 28 ianuarie 2026

Equation in real numbers // Ligning i reelle tal

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 It's problem E : 17 361   in the picture.  In translation : " E:17361.   Solve the equation  $[x]=\sqrt{\{x\}\cdot (x+1)}$  in the...
joi, 22 ianuarie 2026

Reading GROSSWALD Emil "Representations of Integers as Sums of Squares" // GROSSWALD Emil "Representations of Integers as Sums of Squares" lesen

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 Ein sehr schwer zu findendes Buch. Du kannst es dir hier ansehen. A very hard-to-find book. You can view it here . I have some of the book...
miercuri, 14 ianuarie 2026

Squares in the Set of Gauss Integers and the Pythagorean Triple Equation // กำลังสองในเซตของจำนวนเต็มเกาส์และสมการสามเท่าของพีทาโกรัส

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             Complex numbers of the form  $a+\imath b$  with  $a,b \in \mathbb{Z}$  are called Gaussian integers .           Here we will co...
luni, 12 ianuarie 2026

Problem E : 17346

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 From GMB 11/2025 , page 554. In translation :   " E:17346.   A natural number  $n$ gives when divided by 7 the remainder 4            ...
duminică, 4 ianuarie 2026

LUDO // oder Mensch ärgere dich nich // Another calculation problem with Vectors

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           The game known in Romania as "Don't Be Angry, Brother!" it's basically LUDO. There is also a German version, me...
marți, 30 decembrie 2025

Comments on BARICENTRIC RELATIONS between THREE COLLINEAR POINTS // ҮС КОЛЛИНЕАРНАЙ ТОЧКА икки ардыгар БАРИЦЕНТРИЧЕСКАЙ СЫҺЫАННАР тустарынан комментарийдар

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 We will further specify the relationships between the barycentric coordinates of three points on a line, which appear in the Post here . Th...
luni, 29 decembrie 2025

Problem S:L25.296 of Vector Calculus in Parallelogram // Parallelogrammda vektorlı esaplavnıñ 296-nci meselesi

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 "Gazeta Matematika. Meşğuliyetlernen qoşma" 10/2025 sanlı mecmuasından alındı, 10 saife.           To further practice vector ca...