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1supra2 ori2supra3plus8supra3=?

Răspuns :

1/2*2/3+8/3=1/3+8/3=9/3=3
1/2 X 2/3 + 8/3= (simplifici 2 cu 2,adica ii tai) 1/3 +8/3 =9/3=> 9:3 = 3