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Brescanumariana69
a fost răspuns

(-1)×(-2)×(-3)×(-4)= (-1)×(-2)×(+3)×(+4)= (+1)×(-2)×(-3)×(-4)= (-1)×(+2)×(-3)×(-4)= (-1)×(+2)×(+3)×(-4)= (-1)×(-2)×(-3)×(-4)=​

Răspuns :

Saramagda
-x-=+ => -1x(-2)= +2. +x- =- => +2x(-3)= -6 -6x(-4) = +24