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Pre-AlgebraChallenge

Pre-Algebra · Challenge problem

Evaluate ∣ ∣−8∣−∣−15∣ ∣−∣ ∣3∣−∣−10∣ ∣\big|\,|{-8}| - |{-15}|\,\big| - \big|\,|3| - |{-10}|\,\big|.

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