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[46+2(48-3•15)]•[72-2•(5•6-7)]

Răspuns :

[46+2(48-3•15)]•[72-2•(5•6-7)]=
[46+2(48-45)]•[72-2•(30-7)]=
(46+2x3)•(72-2•23)=
(46+6)(72-46)=52x26=1352