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A Hole In The Middle

Geometry Level 1

\[ \Large \underbrace{2^2 +2^2 + 2^2 + \cdots +2^2}_{12 \text{ times}} = \, ? \]

\[8^2-2^2\] \[8^2-4^2\] \[8^2-6^2\] \[6^2-4^2\]

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Excel in math and science

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by Chung Kevin

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