Răspuns :
0.2(4)= 24-2 22
0 ------ = 0 ------
90 90
Simplificam prin 2:
11 0*40+11 11
0 ------ = ------------- = ----------
40 40 40
0 ------ = 0 ------
90 90
Simplificam prin 2:
11 0*40+11 11
0 ------ = ------------- = ----------
40 40 40