This math puzzle looks easy, but the order of operations is what determines the correct answer.
The expression is:
12 + 4 × 0 + 3
Multiplication comes first:
4 × 0 = 0
Now complete the remaining addition:
12 + 0 + 3 = 15
The ×0 only affects the 4 it is multiplying. It does not turn the entire expression into zero, which is the mistake many people make when they solve it too quickly.
Answer: 15.
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