Présentation application La fabrique à soustractions La fabrique à soustractions Launch app Pedagogical interestKnow how to subtract two numbers PublicFrom 6 to 9 On an idea ofMarie-Pierre @trousse.2.crayons (instagram) GraphicsPitus (Pitus.fr) The Subtraction factory is an application allowing the child to subtract two numbers.The child will find a little help for the deductions. The result will take the form of a cell which will change color according to the number entered. Previous Next