B+5b+6b= d+d+d= 9p+20p+8p= b+b+b= 14p+20p+p= 10a+3a+2a= c+c+2c= 4s+3s+7s= t+2+t+5t=
12b 3d 37p 3b 35p 15a 4c 14s 9t так!?
спс