^ inseamna la puterea
* inseamna ori
÷ inseamna impartit
2^2*5^2-2^2÷{3*4^3-3*[3^3*2^2-5^2*(5^2*3-3^2*2^3)]=
=4x25-4÷{3*64-3*[27*4-25*(25*3-9*8)]}=
=100-4÷{192-3*[108-25*(75-72)]}=
=100-4÷[192-3*(108-25*3)]=
=109-4÷[192-3*(108-75)]=
=109-4÷(192-3*33)=
=109-4÷(192-99)=
=109-4÷94=
=109-[tex]\frac{4}{94} \\[/tex]
=109-[tex]\frac{2}{47\\}[/tex]
PS sunt foarte obosit, scuze daca am gresit la calcule