Қосу
d+d+d+d=
4d
16a-9a=
7a
562c+634c+76c=
5088
b+7b+11b=
19b
11a-9a-a=
3a
(234+124)a+237c=
2022
20a+13a+32a=
65a
20p-8p-4p-p=
7p
569b+(69+77)d=
1868
14p+20p-p=
3t-2t+t+5t=
33p
7t
12b-6b-2b=
17x-10x=
21e-10e=
4b
7x
11e
(645+567+867)c-659a
6339