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$$ {(?)^{2}+(65)^{2}}=(160)^{2}- (90)^{2}-7191$$
5Q:
$$ {(?)^{2}+(65)^{2}}=(160)^{2}- (90)^{2}-7191$$
- 175false
- 277false
- 379false
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- 5None of thesetrue
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