calculati (0,(3)+1/2) inmultit cu (1 intreg + 2/3) inmultit cu ( 3/8 :7/12+22/7 inmultit cu 3/11
2.Determinati n apartine N stelat astfel incat 1/1 ori 3 + 1/3ori 5 + 1/5ori 7+...+1/n(n+2)=1002/2005
{3/9+1/2}ori 5/3ori{3812/7+22/7ori3/11}= {6/18+9/18}ori5/3ori{9/14+6/7}= 15/18ori5/3ori{9/14+12\14}= 15/18ori5/3ori21/14= 25/18ori21/14= 173/84 ~nu am mai scris ce am simplificat si amplificat, daca nu intelegi imi spui unde si iti spun ~ MERSI~
