Deductio simple inequalities --- Introduction ---

This module currently contains 24 exercises of interactive deduction on inequalities: simple formulas (sum, square, product) on one or several variables.
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 Choose the exercises Bounded square I Bounded square II Cross fractions Cross fractions II Given produit Given two products Given two squares Linear solve I Positive square I Positive square II Simple fraction I Simple fraction II Simple fraction III Sum and product Sum and product bis Sum and product II Sum and product of 3 I Sum and product of 3 II Sum and product of 3 II bis Two squares Upper-bound the square II Upper-bound the square IIb Upper-bound the square III Upper-bound the squrare Ib 1 2 3 4 5 6 7 8 9 Never According to the exercises Always Never According to the exercises Always
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