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A method to compute the order of convergence based on the inverse function derivation theorem
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A probabilistic method for computing a combinatorial sum
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A unitary criteria to compute the limits of some sequences
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Definition of an instrumental surface, generating gears of a parallel, circular and cycloid line of the tooth
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Generalization of a property derived from similarity
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Inequalities between functions and means
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Natural numbers which appears as perimeter of an right-angled triangle with integer lenght of sides
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On a contest problem
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On a problem from the Gazeta Matematica
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On the computation of some iterated limits
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On the computation of some limits
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On the necessity of astronomy teaching in school
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Remarks on the properties of a function expressed by means of a definite integral
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The irrelevancy of the capacity examination with respect to the schools entrance exam
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The locus associated to an elipse
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The mathematics of the clock
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The order of convergence of some Euler-Ioachimescu type sequences
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The succesive approximation method in elementary mathematics
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Using the monotonicity in solving some exponential and logarithmic equations
