Question

Diana,CameliasiCorina au colectionat impreuna 154 de ilustrate.Diana si Camelia au impreuna89 de ilustrate,iarCamelia si Corina au impreuna118 ilustrate.Cate ilustrate a coletionat fiecare fetita?

Answer 1

Diana-a;Camelia-b;Corina-c/// a+b+c=154 a+b=89 deci c=154-89=63 Apoi b+c=118 deci a=154-118=36 Daca a+b=89 iar a=36 atunci b=89-36=53