eduardo8 eduardo8

14-09-2016
Mathematics

contestada

-(-8+5)+{-4+[-7+(-9-5)+3]}

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charstar charstar

14-09-2016

-(-8+5)+(-4+(-7+(-9-5)+3))
-(-8+5)+(-4+(-7+(-14)+3))
-(-8+5)+(-4+(-7-14+3))
-(-8+5)+(-4+(-18))
-(-8+5)+(-4-18)
-(-3)+(-22)
3+(-22)
3-22
19

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