Question

What’s the answer? Some say 9, others say 1

Answer 1

The answer is 9

6 : 2 (1 + 2)
= 6 : 2 (3) use rule of multiplication and division
= 3 (3)
= 9

Answer 2

The answer should be 9.

After you solve what's in the parentheses, you solve the problem starting from left to right.

6÷2(1+2)
6÷2(3)
3(3)
9