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lesson 'Logic_problems - The solution for Problem 6' in section 'Miscellaneous_Word_Problems'
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lesson 'The answer to Problem 6' in section 'Miscellaneous_Word_Problems'
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lesson 'OVERIEW of lessons on Angles Basics, Supplementary and Complementary angles, Vertical angles, Parallel lines' in section 'Angles'
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lesson 'OVERVIEW of LESSONS on solving systems of linear equations in three unknowns by the Substitution and/or Elimination methods' in section 'Matrices-and-determiminant'
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lesson 'Advanced problem on complex numbers' in section 'Complex_Numbers'
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lesson 'Typical catching up Travel and Distance problems' in section 'Travel_Word_Problems'
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lesson 'A problem on a rower going on a river who missed the bottle of whiskey under a bridge' in section 'Travel_Word_Problems'
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lesson 'Find the volume of the rectangular box if the areas of its faces are given' in section 'Geometry_Word_Problems'
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lesson 'Center of the given circle is the incenter of the given triangle' in section 'Geometry_Word_Problems'
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lesson 'Selected problems on triangles similarity' in section 'Geometry_Word_Problems'
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lesson 'Finding the hypotenuse of a right-angled triangle via its two medians' in section 'Geometry_Word_Problems'
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lesson 'Finding the values of infinite continued fraction' in section 'Miscellaneous_Word_Problems'
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lesson 'Three circles touching externally' in section 'Miscellaneous_Word_Problems'
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lesson 'Three circles touching externally' in section 'Geometry_Word_Problems'
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lesson 'Solving minimax problems by the Linear Programming method' in section 'Miscellaneous_Word_Problems'
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lesson 'Algebra is used in computer science' in section 'Linear_Algebra'
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lesson 'Burning candles' in section 'Miscellaneous_Word_Problems'
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lesson 'Introductory problems on divisibility numbers' in section 'Divisibility_and_Prime_Numbers'
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lesson 'beaing ' in section 'Polynomials-and-rational-expressions'
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lesson 'Travel and Distance problems for two bodies moving in opposite directions' in section 'Travel_Word_Problems'
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