We can remove parenthesis if we change the sign of all terms in the second parenthesis (because we're subtracting it).
So, we have

And now we simply have to aggregate like terms:

Answer:

Step-by-step explanation:




Answer:
6
Step-by-step explanation:
(8:100) * 75
(8*75) : 100
600:100 = 6
Answer:
Step-by-step explanation:
40*25= 1000
1000-50-264=686