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Ajutoooor!!!Va rog!!Dau coroana!!!Am nevoie de rezolvare pana la 15!​

AjutoooorVa RogDau CoroanaAm Nevoie De Rezolvare Pana La 15 class=

Răspuns :

6/12+9/12+10/12+6/12+3/12+2/12=
=36/12
=3

Sau alta rezolvare prin grupare termeni

2/2+4/4+6/6
=1+1+1
=3

(1/2 + 3/4 + 5/6) + (1/2 + 1/4 + 1/6) =

(6/12 + 9/12 + 10/12) + (6/12 + 3/12 + 2/12) =

6/12 + 9/12 + 10/12 + 6/12 + 3/12 + 2/12 =

25/12 + 11/12 = 36/12 = 3