Răspuns :
38×643-255×38+38×612=
=38×(643-255+612)=
=38×(388+612)=
=38×10.000=38.000
Răspuns:
38×(643-255+612)=38×(388+612)=38×1000=38000
38×643-255×38+38×612=
=38×(643-255+612)=
=38×(388+612)=
=38×10.000=38.000
Răspuns:
38×(643-255+612)=38×(388+612)=38×1000=38000