Răspuns :
Răspuns:
Explicație pas cu pas:
(1-1/2)(1+1/2)=(1/2)*(3/2)=3/4
Răspuns:
(2/2-1/2)(2/2+5/10)=3/4
1/2 x (2/2+1/2)=3/4
1/2 x 3/2=3/4
3/4=3/4 (A)
Răspuns:
Explicație pas cu pas:
(1-1/2)(1+1/2)=(1/2)*(3/2)=3/4
Răspuns:
(2/2-1/2)(2/2+5/10)=3/4
1/2 x (2/2+1/2)=3/4
1/2 x 3/2=3/4
3/4=3/4 (A)