Question

Efectuatii calculele: a) (-8)×(-5)
b)(-2)×(-22)
C)(-1)×(-7)
D)(+4)×(+23)
E)(-5)×(+32)
F)(+8)×(-17)
G)(-13)×(-31)
H)(-25)×(-3)×(+5)
I)(-3)×(-12)
J)(+6)×(+4)
K)(-1)×(+3)
L)(+5)×(-3)
M)(+9)×|-7|
N)|-6|×|+3|×|-2|
O)(+18)×(-10)×(+2)
P)(-2)×(-3)×(-5)
Q)(+8)×(-10)×(-2)
R)(-1)×(-2)×(-3)×(-4)

VA ROG DAU COROANA URGENT

Answer 1

Răspuns:

Explicație pas cu pas:

a.  (-8)x(-5)=40

b.   (-2)x(-22)=44

c.   (-1)x(-7)=7

d.   (+4)x(+23)=92

e.   (-5)x(+32)=-160

f.   (+8)x(-17)=-136

g.   (-13)x(-31)=403

h.   (-25)x(-3)x(+5)=75x5=375

i.   (-3)x(-12)=36

j.   (+6)x(+4)=24

k.   (-1)x(+3)=-3

l.   (+5)x(-3)=-15

m.   (+9)x(-7)=-63

o.   (+18)x(-10)=-180

p.   (-2)x(-3)x(-5)=(+6)x(-5)=-30

q.   (+8)x(-10)x(-2)=(-80)x(-2)=160