in attach ai raspunsul. mult succes!
Salutare!
{[1+(3+3×5):2]+[1-(6-2×2):2]×10}×2=
{[1+(3+15):2]+[1-(6-4):2]×10}×2=
[(1+18:2)+(1-2:2)×10]×2=
[(1+9)+(1-1)×10]×2=
(10+0×10)×2=
(10+0)×2=
10×2=
20
