👤

Calculatii flosind metoda factorului comun: 43+275+57×257=
175×123+27×123-102×123=
Dau coroana ! ! !
REPEDE!


Răspuns :

43+275+57×257=
257x(43+57)=
257x100=25700

175×123+27×123-102×123= 
123x(175+27-102)=
123x100=12300