Realiza el orden adecuado?

Realiza el orden adecuado.

A) - 15•2 - ( - 16)÷( - 8)

<img src="https://tex.z-dn.net/?f=-15%5Ccdot%20%5C%3A2-%5Cleft%28-16%5Cright%29%5Cdiv%20%5Cleft%28-8%5Cright%29%0A%0A-30-%5Cleft%28-16%5Cright%29%5Cdiv%20%5Cleft%28-8%5Cright%29%0A%0A-30-2%0A%0A-32" />

B) - 12 + ( - 9)•6÷( - 2)

<img src="https://tex.z-dn.net/?f=-12%2B%5Cleft%28-9%5Cright%29%5Ccdot%206%5Cdiv%20%5Cleft%28-2%5Cright%29%0A%0A%0A-12-54%20%5Cdiv%20%5Cleft%28-2%5Cright%29%0A%0A-12-%5Cleft%28-27%5Cright%29%0A%0A15%0A" />

C)7 - 3•( - 4) - 27÷( - 9)

<img src="https://tex.z-dn.net/?f=7-3%5Ccdot%20%5Cleft%28-4%5Cright%29-27%5Cdiv%20%5Cleft%28-9%5Cright%29%0A%0A7-%5Cleft%28-12%5Cright%29-27%5Cdiv%20%5Cleft%28-9%5Cright%29%0A%0A7-%5Cleft%28-12%5Cright%29-%5Cleft%28-3%5Cright%29%0A%0A22" />

D) - 45 - ( - 49)÷7•( - 6)

<img src="https://tex.z-dn.net/?f=-45-%5Cleft%28-49%5Cright%29%5Cdiv%207%5Ccdot%20%5Cleft%28-6%5Cright%29%0A%0A-45%20-7%5Cleft%28-6%5Cright%29%0A%0A-45-42%0A%0A-87" />

E) - 20 + 6•( - 5)÷( - 2)

<img src="https://tex.z-dn.net/?f=-20%2B6%5Ccdot%20%5Cleft%28-5%5Cright%29%5Cdiv%20%5Cleft%28-2%5Cright%29%0A%0A-20-30%5Cdiv%20%5Cleft%28-2%5Cright%29%0A%0A-20-%5Cleft%28-15%5Cright%29%0A%0A-5" />

F)54÷( - 3)•2 - 9 •( - 4)

<img src="https://tex.z-dn.net/?f=54%5Cdiv%20%5Cleft%28-3%5Cright%29%5Ccdot%202%5C%3A-%5C%3A9%5C%3A%5Ccdot%20%5Cleft%28-4%5Cright%29%0A%0A-36-9%5Cleft%28-4%5Cright%29%0A%0A-36-%5Cleft%28-36%5Cright%29%0A%0A0" />.