Question

What is `(30-9-:3)-:9`?

Answer 1

`3`

Explanation:

There is only one term, but there are different operations in the bracket.

We need to divide the answer to the whole bracket by 9.
Division is stronger than subtract, so do it first.

`(color(blue)(30)-color(red)(9div3)) color(magenta)(div 9)`

=`(color(blue)(30)-color(red)(3)) color(magenta)(div 9)`

=`27color(magenta)(div 9)`

=`3`