bdjalwmdnej bdjalwmdnej

16-03-2018
Mathematics

contestada

Add.

[12 -5] + [-3 -9]
[0 -7 ] [-14 -10]

Respuesta :

reynoldsrichard reynoldsrichard

16-03-2018

(12-5) + (-3 -9)
= 7. = -12
7+-12
=-5

(0-7) (-14-10)
-7. × -24
=-168

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