Respuesta :

Answer:

820

Step-by-step explanation:

Some people may get confused and just calculate this question from left to right, but I was taught to use this formula:

Brackets

Exponents

Division

Multiplication

Addition

Subtraction

--------

So lets multiply first,

163 × 80 = 13,040

153 × 47 = 7,191

153 × 33 = 5,049

-------

Next, we subtract:

13,040 - 7,191 - 5,049 = 820

------

Have a good day :)