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Urgent maine ma controleaza si am nevoie de rezolvare dau coroana doar ex 1

Urgent Maine Ma Controleaza Si Am Nevoie De Rezolvare Dau Coroana Doar Ex 1 class=

Răspuns :

1)
a)
(-1)(-2)(-3)=2*(-3)=-6
(-2)(+3)(-6)=-6*(-6)=36
(-5)(-3)(+3)=15*(+3)=45
0*(-2)*2=0*2=0

b)
(-2)(-5)(+6)(+2)=10*(+12)=120
(-1)(-3)(-5)(+6)=3*(-30)=-90
(-2)(-3)(+6)(+5)=6*30=120
(-1)(+1)(-1)(+1)=-1*(-1)=1