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25+4xparanteza patrata 2+3x ( 4x10-5) - 93 paranteza patrata - 3x( 3 + 24 ) = ???
Va rooooog ajutatima cat mai repede!!!


Răspuns :

  25+4x[2+3x(4x10-5)-93]-3x(3+24)=
=25+4x[2+3x(40-5)-93]-3x27=
=25+4x(2+3x35-93)-3x27=
=25+4x(2+105-93)-3x27=
=25+4x(107-93)-3x27=
=25+4x14-3x27=
=25+56-81=
=81-81=
=0