12 * 21 4 * 3 12
--------- (сокращаются 12 и 15 на 3; 21 и 35 на 7) = ------ = ---- = 0,48
35 * 15 5 * 5 25
25 * 17 * 44 1 * 1 * 11 11
---------------- ( 25 и 75 на 25; 17 и 51 на 17; 44 и 8 на 4) = ----------- = ----
51 * 8 * 75 3 * 2 * 3 18
17 * 48 17 * 48 17 * 48 17 * 8 136 3
--------------- = ----------- = - ---------- (48 и 42 на 6) = - -------- = - ----- = -1--
17*6 - 9*16 102-144 42 7 7 7
72 * 11 12 * 1 12 4
---------- = (72 и 30 на 6; 11 и 33 на 11) = -------- = ---(на 3) = --- = 0,8
33 * 30 3 * 5 15 5
8*3 + 8*23 24 + 184 208 16 1
-------------- = ------------ = ------ = 4 ---(на 16) = 4 ---
3 * 16 48 48 48 3
14*5 - 14*3 70-42 28 1
--------------- = ---------- = ------ = --
21*9 + 21*3 189+63 252 9