Va rog ajutati-ma! Dau coroana.
2/3:[5/13×(4/5+1/2):(3/2)^2]


Răspuns :

Răspuns:

2/3:[5/13×(4/5+1/2):(3/2)^2]=

2/3:[5/13×(8/10+5/10):(9/4)]=

2/3:(5/13×13/10×4/9)=

2/3:(1/2×4/9)=

2/3: 2/9=

2/3×9/2=

3

Explicație pas cu pas: