Question

6,5×(x-5×(1,2x-4))=

Answer 1

6.5(x-5(1.2x-4))
6.5(x-6x+20)
6.5(-5x+20)
-32.5x+130

Answer 2

Решение:
6,5·(х - 5·(1,2х - 4)) = 6,5·(х - 6х + 20) = 6,5·(- 5х + 20) = - 32,5х + 130.
Ответ: - 32,5х + 130.