Răspuns :
25/18 : [ 1 - (2/3)²] =
25/18 : [ 1 - 4/9] =
25/18 : 5/9 =
25/18 x 9/5 =
5/2 =
2intreg 1/2 (B)
25/18 : [ 1 - 4/9] =
25/18 : 5/9 =
25/18 x 9/5 =
5/2 =
2intreg 1/2 (B)
25/18:(1-(2/3)²) =
= 25/18:(1-4/9) =
= 25/18:5/9 =
= 25/18*9/5 =
= 5/2 = 2 intregi 1/2
= 25/18:(1-4/9) =
= 25/18:5/9 =
= 25/18*9/5 =
= 5/2 = 2 intregi 1/2