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Domine a Matemática para provas e concursos públicos, do zero ao avançado.

Tudo que você precisa saber de Matemática para passar no concurso está aqui, mesmo que você sempre tenha achado complicado e difícil de aprender.

Matricule-se em rafaeldombrauskas.com/mdc/

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5:13

Desafio de geometria básica #matemática #concursos #educacao

Profdombrauskas

Shared 1 hour ago

23 views

6:28

Difficult trigonometry problem #mathematics #fuvest #exams

Profdombrauskas

Shared 1 day ago

225 views

3:42

What is Endrick's height? Calculate using similar triangles. #Brazil #mathematics #worldcup

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Shared 2 days ago

112 views

3:35

Area of ​​figures #mathematics #exams #geometry

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Shared 3 days ago

159 views

4:43

Basic Math Challenge #contests #education

Profdombrauskas

Shared 6 days ago

324 views

4:32

Questão difícil da FUVEST envolvendo geometria e álgebra #matematica #fuvest

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Shared 1 week ago

312 views

3:25

3x3 system by Gaussian elimination #mathematics #exams

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Shared 1 week ago

195 views

4:54

Beautiful geometry question from FUVEST #mathematics #exams

Profdombrauskas

Shared 1 week ago

188 views

3:35

Cos 210° and the trigonometric circle #mathematics #exams

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Shared 1 week ago

225 views

3:11

3 by 3 system #mathematics #education

Profdombrauskas

Shared 2 weeks ago

317 views

5:59

Equation of a circle in analytical geometry #mathematics

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Shared 2 weeks ago

165 views

2:35

Demonstration of the sum of n terms of an arithmetic progression using a linear system.

Profdombrauskas

Shared 3 weeks ago

126 views

3:46

What is the area in blue? Geometry challenge #mathematics #exams

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Shared 3 weeks ago

419 views

13:21

MATH MARATHON: Solving 50 First-Degree Equations!

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Shared 3 weeks ago

410 views

3:35

Great insight into this question #mathematics #education

Profdombrauskas

Shared 3 weeks ago

208 views

8:10

Difficult exercise involving the law of cosines #mathematics #exams

Profdombrauskas

Shared 4 weeks ago

252 views

4:36

Truncated cone #fuvest #mathematics #geometry

Profdombrauskas

Shared 4 weeks ago

152 views

5:25

Basic math challenge and roots #mathematics

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Shared 4 weeks ago

295 views

3:54

Operations involving fractions #mathematics

Profdombrauskas

Shared 4 weeks ago

184 views

28:50

IBGE Resolution 2026 - Mathematics and Logical Reasoning

Profdombrauskas

Shared 1 month ago

412 views

3:15

IBGE 2026 Exam Correction - Repeating Decimals #exams #ibge2026 #mathematics

Profdombrauskas

Shared 1 month ago

245 views

3:53

Triangle similarity challenge #mathematics #exams

Profdombrauskas

Shared 1 month ago

1K views

4:42

Quotient inequality #mathematics #education

Profdombrauskas

Shared 1 month ago

168 views

4:42

Quotient inequality #mathematics #education

Profdombrauskas

Shared 1 month ago

80 views

5:14

Changing the basis for solving a math challenge #mathematics

Profdombrauskas

Shared 1 month ago

240 views

3:26

Probability and Anagrams #mathematics

Profdombrauskas

Shared 1 month ago

188 views

3:47

Anagramas com restrição em questão de concursos #matematica

Profdombrauskas

Shared 1 month ago

461 views

4:50

Tip to save time in the description.

Profdombrauskas

Shared 1 month ago

230 views

3:22

Equation of a line passing through two points #mathematics

Profdombrauskas

Shared 1 month ago

161 views

3:03

Proportional division in the Sergeant's exam.

Profdombrauskas

Shared 1 month ago

343 views

3:53

Second-degree inequality #mathematics

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Shared 1 month ago

410 views

3:08

Which tree is bigger? #math

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Shared 1 month ago

231 views

3:15

Volume of the truncated cone #mathematics

Profdombrauskas

Shared 1 month ago

193 views

4:02

A math challenge that will blow your mind! #mathematics #exams #education

Profdombrauskas

Shared 1 month ago

279 views

5:00

Difficult VUNESP question #mathematics #exams

Profdombrauskas

Shared 1 month ago

182 views

14:05

3 questões médio/difíceis de concurso público envolvendo Matemática

Profdombrauskas

Shared 1 month ago

393 views

3:07

Volume e área total do cilindro #matematica #concursos #educacao

Profdombrauskas

Shared 1 month ago

365 views

3:06

Questão de concurso fgv envolvendo porcentagem #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

368 views

1:48

Dica para fazer divisão de cabeça-cálculo mental

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Shared 1 month ago

440 views

4:05

Quotient inequality #mathematics #education

Profdombrauskas

Shared 1 month ago

924 views

2:21

Dica para calcular porcentagem do modo certo!

Profdombrauskas

Shared 1 month ago

383 views

5:46

Quanto você realmente ganha investindo R$1500? | Juros compostos com IR na prática

Profdombrauskas

Shared 1 month ago

487 views

4:36

Problema envolvendo volume de tronco de cone #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

765 views

1:52

👉 Só gênios acertam: que dia foi há 7002 dias? 🧠📅

Profdombrauskas

Shared 1 month ago

721 views

3:05

Análise Combinatória dos números pares #matemática

Profdombrauskas

Shared 1 month ago

526 views

3:19

Desafio de geometria básica #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

247 views

5:08

Equação geral da circunferência #matematica #concursos #educacao #professor

Profdombrauskas

Shared 1 month ago

188 views

3:55

Sen 225 graus e ciclo trigonométrico #matematica #trigonometria

Profdombrauskas

Shared 1 month ago

224 views

3:52

System and ratio in a test question #mathematics #education

Profdombrauskas

Shared 1 month ago

248 views

3:12

Aprenda a calcular raiz quadrada rapidamente #matematica #concursos #educacao

Profdombrauskas

Shared 1 month ago

345 views

3:29

Bora de probabilidade em concurso? #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

237 views

3:54

Regra de 3 composta usando letras #matematica #concursos

Profdombrauskas

Shared 1 month ago

232 views

7:04

Long math question for a competitive exam #mathematics #education #exams

Profdombrauskas

Shared 1 month ago

198 views

4:25

É preciso desenvolver o cálculo mental. Foi ele que me fez amar a Matemática e ser o que sou hoje!

Profdombrauskas

Shared 1 month ago

256 views

3:20

Questão difícil de geometria em concursos #vunesp #educacao #concursos #matematica

Profdombrauskas

Shared 1 month ago

337 views

3:52

Linear Systems and Interpretation - VUNESP #exams #education #mathematics

Profdombrauskas

Shared 1 month ago

267 views

4:37

Ciclo trigonométrico #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

506 views

4:35

Desafio de sequência Numérica #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

284 views

3:06

Equação do 2 grau com raizes complexas #matematica #educacao #concursos

Profdombrauskas

Shared 1 month ago

238 views

5:11

Bora falar sobre didática e postura ativa nos estudos? #didática #professor #matemática

Profdombrauskas

Shared 1 month ago

187 views

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