Răspunsuri

2014-08-11T17:03:10+03:00
0,5 = 5/10 = 1/2
0,(4) = 4/9
0,1(6) = 16-1/90=15/90=1/6
2,(6) = 2 + 6/9 = 2+ 2/3 = 8/3
S= 1/2 + 4/9 + 1/6 + 8/3 
Amplificam 1/2 cu 9 , 4/9 cu 2 , 1/6 cu 3 , 8/3 cu 6 =>
S= 9/18+8/18+3/18+48/18 = 68/18 = 34/9
M.a. = 34/9 * 1/2 = 17/9
Sper ca ai inteles. Succes in continuare ! :3