Răspuns :

a-fratii gemeni             b-celalalt  frate                                                            AaAaB=36                                                                    A patrat=36/b    

noi stim  ca cei 2 frati(a)gemeni sunt mai mari decat celalalt                               

     36=6 patrat     deci daca cei doi frati gemeni(a) au 6 ani fiecare celalalt frate are un an    6x6x1=36ani                                                                    

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