27−(140:335+360:(8⋅9))=?
The problem asks us to evaluate the expression 27−(140:335+360:(8⋅9)).
Following the order of operations (PEMDAS/BODMAS), we first focus on operations within the parentheses.
Calculate each division inside the parentheses:
- 140:335 means 140÷335, which is equivalent to 140×353.
Simplifying 140×353:
- Calculate 140÷35=4.
- Then, multiply 4×3=12.
Now, calculate the second division:
- 360:(8⋅9) involves calculating 8⋅9=72.
- Then, divide 360÷72=5.
So, our expression within the parentheses simplifies to:
- 12+5=17.
Now go back to the main expression: 27−17.
Calculate the final subtraction:
- 27−17=10.
Thus, the solution to the problem is 10.