ddormeus ddormeus

07-01-2018
Mathematics

contestada

[tex] - 5 + 6[/tex]
[tex]1 + ( - 12)[/tex]
[tex] - 4 + ( - 13)[/tex]

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Аноним Аноним

07-01-2018

- 5 + 6 = 6 - 5 = 1

1 + (- 12 ) = 1 - 12 = - 11

- 4 + (-13) = - 4 - 13 = - 17

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