DAU COVIT-19!Va rog!
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Răspuns:
7.A.(-2)×(-4)×(-3)=-24
b.(-2)×(-7)×(-5)=-70
c.(-3)×(-4)×-6)=-72
d..(-5)×(-7)×(-2)=-70
e.(-8)×(-9)×(-3)=-216
f.(-5)×(-6)×(-8)=-240
8.A (-4)×|-8|=(-4)× 8=-32
b.|13|×(-3)=-39
c.|-7|×(-6)=7×(-6)=-42
d.(-8)×|10|=-80
e.(-20)×|14|=-280
f.|-18|×(-9)=18×(-9)=-162
g.(-25)×|12|=-300
h.|-35|×(-5)=35×(-5)=-175
Explicație pas cu pas:
7.(-)×(-)=+
(+)×(+)=+
(-)×(+)=-
(+)×(-)=+
8.|-5|=5
|5|=5
Sper ca te-am ajutat