The expression 6 ÷ 2(1+2) can be simplified using the order of operations. First, we need to evaluate the expression inside the parentheses, which is 1+2. This equals 3. Next, we multiply 2 by 3, which equals 6. Finally, we divide 6 by 6, which equals 1. Therefore, the answer to 6 ÷ 2(1+2) is 1.