Question

Va rog e urgent
1-[(-4)-6•(-2)+(-3-5):2]+15:+(-5)=
-7•(+3)+21:(-7)+(-15):(-3)=
(-5)•{396-720:[-7+(6590+51•210):(-4•25)]}​

Answer 1

Răspuns:

1-[-4+12+(-8):2]+15:(-5)=

=1-[8-8:2]+3

=1-4+3

=-3+3=0

-21-3+5=

=-24+5

=-19

-5•{396-720:[-7+(6590+10710):(-100)]}=

=-5•{396-720:[-7+17300:(-100)]}=

=-5•{396-720:[-7-173]}=

=-5•{396-720:[-180]}=

=-5•{396+4}=

=-5•400=

=-2000

Explicație pas cu pas:

spor la teme❤️❤️