[tex]( + 4) + ( - 12) = - 8 \\ ( - 3) - ( + 7) = - 10 \\ ( + 7) - ( + 5) = 2 \\ ( - 6) + ( - 8) = - 14[/tex]
Răspuns:
(+4)+(-12)=4-12=-8
(-3)-(+7)=-3-7=-10
(+7)-(+5)= 7-5=2
(-6)+(-8)=-6-8=-14
