Question

3/2 (6 а-9b+2,7) помогите

Answer 1

3/2 (6 а-9b+2,7)=3/2 *6 а-3/2*9b+3/2*2,7=3/1 *3 а-3/1*4,5b+3/1*1,35=
=9а+1,3b+4,05