Question

1)7,5a-6,8b-7,5a-6,8b 2)a -3a+4,7-7,2 3)2,1a-1,7c+2,7a-2,2c 4)-9,8c+5,1d+1,1c+4,2d+4c 5)4,2a+1,8b -2,6a+3,4a 6)-8,9a+1,5b-1,1a-5,5b

Answer 1

Ответ:

1) 12,6b 2) -2a-2,5

3) 4,8a-0,5c 4)-4,8+9,3d

5) 5a+1,8b 6)-10a-4b