The expression 9 + 9 ÷ 9 − 9 must be solved using the correct order of operations.
First, complete the division:
9 ÷ 9 = 1
Now the equation becomes:
9 + 1 − 9
Solve from left to right:
9 + 1 = 10
10 − 9 = 1
The correct answer is 1.
Many people get this wrong because they add before dividing.
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