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(3, supra2+7, supra5+5 supra 9)+(3 supra 2+8supra 5,+22supra 9)​

Răspuns :

3/2 + 7/5 + 5/9 + 3/2 + 8/5 + 22/9 =

3/2 + 3/2 + 7/5 + 8/5 + 5/9 + 22/9 =

6/2 + 15/5 + 27/9 =

3 + 3 + 3 = 9