Răspuns:
a)cu 2
38/24= 19/12
36/48= 18/24
22/52= 11/26
14/26= 7/13
12/70= 6/35
132/144= 66/72
28/402= 14/201
6/56= 3/28
b)cu 3
81/42= 27/14
36/48= 12/16
21/51= 7/17
114/216= 48/72
27/72= 9/24
132/144= 44/48
228/402= 76/134
36/63= 12/21
SUCCES!!!