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rezolvati cu factor comun 193x59+193x43-102x190=

Răspuns :

193*59+193*43-102*190

=193*(59+43)-102*190

=193*102-102*190

=102*(193-190)

=102*3

=306

Succes!

193×59+193×43-102×190=

193(59+43)-102×190=

193×102-190×120=

102(193-190)=

102×3=

360