Răspuns :

Andreutsa10id

a) -2×(-3)+7×(-4)=6+(-28)= -22

b)-2×5+7×(-2)=-10+(-14)= -24

Ancarodicaid

Răspuns:

a) -2×(-3)+7×(-4)= 6 - 28= - 22

b) -2×5 + 7×( -2)= - 10 -14= - 24

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