The expression 4 × 4 − 4 ÷ 4 + 4 must be solved using the correct order of operations.
Complete multiplication and division first:
4 × 4 = 16
4 ÷ 4 = 1
The equation becomes:
16 − 1 + 4
Now calculate from left to right:
16 − 1 = 15
15 + 4 = 19
The correct answer is 19.
Many people get this puzzle wrong because they add or subtract before completing the multiplication and division.
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