Решите уравнение а) 12/53 + 41/53 - k = 17/26 б) 28/54 + 12/54 - n = 8/27

12/53+41/53-k=17/26
(12+41)/53-k=17/26
1-k=17/26
k=9/26

28/54+12/54-n=8/27
(28+12)/54-n=8/27
40/54-n=8/27
20/27-n=8/27
n=12/27
n=4/9

ответ: k=9/26, n=4/9