Verified answer

решение во вложении:

1) x⁶/x² = x⁶⁻² = x⁴

2) xy/yz = x/z

3) n³/n⁵ = n³⁻⁵ = n⁻² = 1/n²

4) abc/c² = ab/c

5) x⁶y²/x²y = x⁶⁻²y²⁻¹ = x⁴y

6) a³b³c⁴/a²b²c² = a³⁻²b³⁻²c⁴⁻² = abc²