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20-05-2021
Mathematics

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-21+2(3-15)-(-3)(+7)+(-3)(-8)

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Аноним Аноним

20-05-2021

Answer:

[tex] - 21 + 2(3 - 15) - ( - 3)( + 7) + ( - 3)( - 8) \\ = - 21 - 24 + 21 + 24 \\ = 0[/tex]

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