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Dino123
a fost răspuns

(3×239-48×6+831:3-742:7):3:a=4 DAU CORONIȚA!

Răspuns :

Yr56
(3x239-48x6+831:3-742:7):3:a                                                                 (717-288+277-106):3:a                                                               (429+277-106):3:a                                                                                (706-106):3:a                                                                                                600:3:a                                                                                                                             a= 600:3                                                                                                                        a=200