Question

найдите сумму: 6а+5n+5+4a+14m+9m+28;
c+5d+2c+d•5.

Answer 1

10a+5n+33+23
3c+6d•5
Надеюсь верно))

Answer 2

6a+4a+5n+14m+9m+5+28=10a+5n+23m+33
c+2c+5d+d5=3c+10d