Объяснение:
(0.5а^2b^3)^3*(-2a^3b^2)^2
=0,125а^6b^9*4a^6b^4=0,5a^12b^13
0,5a^12b^13-3/2a^12b^13=0,5a^12b^13-1,5a^12b^13=-a^12b^13
