20-12-2015
Mathematics

contestada

(-2)(4)+5[6-(-2)
----------------------
(-2)[9/(-5)]

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21-12-2015

(-2)(4)+5[6-(-2)]=-8+5(6+2)=-8+5*8=-8+40=32
(-2)[9/(-5)=-2*(-0,8)=1,6

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