Question

3)(1/7а-7с)^3

4)(0,3в-10с)^3

5)(0,5х-2у)^3

6)(2/9н+9/2м)^3​

Answer 1

Ответ:

3)3/7a-21c

4)0,9b-10c

5)1,5x-6y

6)2/3н+27/2м