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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