Answer:
We can solve this expression using the order of operations, also known as PEMDAS:
2 + 77 + 2 + 4 + 18 + (9/4) + 5 + 23 + 78 + 33 - 76 - 4 + 12
First, we can simplify the fraction by adding the whole number and fraction parts:
2 + 77 + 2 + 4 + 18 + 2.25 + 5 + 23 + 78 + 33 - 76 - 4 + 12
Next, we can perform addition and subtraction from left to right:
= 187 + 2.25 + 68
= 257.25
Therefore, the value of the expression 2+77+2+4+18+9/4+5+23+78+33-76-4+12 is 257.25.