Răspuns:
[tex]20-(3*5-2+3):(26-9*2)\\\\20 - (15 -2 +3): (26 -18)\\\\20 - 16:8 \\\\20 - 2\\\\18[/tex]
18
Explicație pas cu pas:
20-(3×5-2+3):(26-9×2)=
20-(15-2+3):(26-18)=
20-(13+3):8=
20-16:8=
20-2=
