Răspuns:
Explicație pas cu pas:
0,(3) = 3/9 = 1/3
1/3 : [1/6 - 3* (2 + 1/9) + 1/2 *5/3]
= 1/3 : (1/6 - 3*19/9 + 5/6)
= 1/3 : (6/6 - 57/9) = 1/3 : (9/9 - 57/9)
= 1/3 : (-48/9) = -1/3*9/48 = -9/16
