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1 SUPRA 3 ori 2 supra 4 plus5 supra 4

Răspuns :

1/3 x 2/4 + 5/4 = 2/12 + 5/4 = 2/12 + 15/12 = 17/12 = 1 intreg 5/12 
1/3 * 2/4 + 5/4 = 2/12 + 5/4 = 2/12 + 15/12 =17/12