Răspuns:
Explicație pas cu pas:
2 intregi 1/3 = (2x3+1)/3 = 7/3
1 intreg 1/2 = (1x2+1)/2 = 3/2
{2 1/3 + 1 1/2 - 5/6} : 5 + 2/5 =
(7/3 + 3/2 + 5/6) : 5 + 2/5 =
(7x2 + 3x3 + 5)/6 : 5 + 2/5 =
(14+9+5)/6 x 1/5 + 2/5 =
28/6 x 1/5 + 2/5 =
28/30 + 2/5 =
(28 + 2x6)/30 =
(28+12)/30 =
40/30 =
4/3 =
1 intreg 1/3
