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16-10-2016
Mathematics

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Simplify: 12 + 8 + 12 - 20

Respuesta :

16-10-2016

12 + 8 = 20
12 - 20 = -8
20 + - 8 = 20 - 8 = 12

12 + 8 + 12 - 20 can be simplified to just 12.

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