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90-24/4-3*7+(36/4+72/8) cine ma ajuta

Răspuns :

90-24/4-3*7+(36/4+72/8) =
= 90-6-21+(9+9)=
=63+18=
=81
Sper ca te-am ajutat !

90-24/4-3*7+(36/4+72/8)=

    90-24/4-3*7+9+9

       90-6-3*7+9+9

        90-6-21+9+9

          84-21+9+9

             63+9+9

               72+9

                 81