Question

Efectuati:(-2) - (-3)
-3-0
(-2) + (-50)
(-27)-(+79)
1+(-3)
-8+(-125)
(+100)-(-71)
(-321)-(+30)
(+54)-(+19)

Answer 1

●(-2)- (-3)= -2+ 3=1; ●-3-0= -3; ●-2+(-50)= -2 -50= -52; ●-27-(+79)=-106; ●1+(-3)=-2; ●-8+ (-125)=133; ●100-(-71)=100+71=171; ●-321-(+30)= -351; ●54-(+19)=35. ●- * - = + ●+ * - = - ●- * + = -

Answer 2

(-2)-(3)=-2-3=-5 -3-0=-3 (-2)+(-50)=-2-50=-52 (-27)-(+79)=-27-79=106 1+(-3)=1-3=-2 -8+(-125)=-8-125=-133 (+100)-(-71)=+100+71=+171 (-321)-(+30)=-321-30=-351 (+54)-(+19)=+54-19=+35 Sunt corecte 100%