2a²b³=9
a²b³ = 9/2 = 4,5
1)-6a²b³ = -6 · 4,5 =-27
2) 2a⁴b⁶ = 2·(a²b³)² = 2·4,5² = 40,5
2a²b³=9;
a²b³=4,5;
1)-6a²b³=-6*4,5=-27;
2) 2a⁴b⁶=2·4,5²=40,5;
ответ:1)-27;2)40,5.
