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46x18+54x30-54x12 prin factor comun cat mai repede

Răspuns :

46x18+54x30-54x12=
=46x18+54(30-12)
=46x18+54x18
=18(46+54)
=18x100
=1800
46x18+54x30-54x12=46x18+54(30-12)=46x18+54x18=18x(46+56)=18X100=1800