2-1-2/2-2/2-2/2-1/2=

Răspuns :

Răspuns:

-2.5

Explicație pas cu pas:

2-1-2/2-2/2-2/2-1/2

2-1-1-1-1-0.5

1-1-1-1-0.5

0-1-1-0.5

-1-1-0.5

-2-0.5

-2.5