Răspuns :
= [ 6/9 + 33/9 ] : (0,2 + 0,6 ) = 39/9 : 8/10 = 39/9 x 10/8 = 13/3 x 5/4 = 65/12 = 5,41(6)
[0,(6) + 3, (6)] : (0,2 + 0,3·2) = (6/9 +3+6/9) : (0,2 + 0,6) = (3+12/9): 0,8 =
= (3 + 4/3) : (8/10) = (13/3)·(10/8) = (13/3)·(5/4) = 65/12 =5,41(6) ≈ 5,42