17/20
17/20
17/20
17/20
0/20
0.0000000000000017/20
pemt !!!
21/20
20,9/20
3,141 592 654/20
20,9999999999/20
-999999999999999999999999999999999999999999999999/
20
PI/20
0/20
-20+40/20
-100+120/20
3,141 592 654/3,141 592 654 = 20/20
0+0/20
-200+220/20
5/20