Question

am nevoie urgent! va rog frumos :)​

Answer 1

a) 13-[ -2+5-(+12)-2]

13-(-2+5+12-2)

13-(-2+17-2)

13-(+15-2)

13-(+13)

13-13

0

b) 1-[(-4)+12+(-8):2]-3

1-(-4+12-4]-3

1-(+8-4)-3

1-(+4)-3

1-4-3

1-7

-6

d) -9-(-8)+0+(-1)-(-1)

-9+8+0-1+1

-1-1+1

-2+1

-1

sper ca te am ajutat!