Question

Efectuati operatiile in modul cel Mai rational,utilizind proprietatile inmultirii:(-21)×(-8)×3×(-25);

(-5)×(-25)×(-2)×(-4);

(-13)×52+48×(-13);

29×(-125)-29×(-124)

Va rog am nevoie tare!!

Dau 30 de puncte pentru o rezolvarea completa!

Answer 1

a) (-21)×(-8)×3×(-25)=

=168×3×(-25)

=504×(-25)

=-12.600

b) (-5)×(-25)×(-2)×(-4)=

=125×(-2)×(-4)

=125×8

=1000

c) (-13)×52+48×(-13)=

=(-676)+(-624)

=-1300

d) 29×(-125)-29×(-124)=

=(-3625)-(-3596)

=-29