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UKMT Junior Mathematical Challenge, 2024

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

When the five expressions below are simplified, how many different values are obtained?
$2+2$ $\quad$ $2\times 2$ $\quad$ $2-2$ $\quad$ $2\div 2$ $\quad$ $2^2$

(A) $1$ (B) $2$ (C) $3$ (D) $4$ (E) $5$

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