309 ori 576 plus 576 ori 894 plus 424 ori 1203

Răspuns :

309 × 576 + 576 × 894 + 424 × 1 203 =

dam factor comun

576 × (309 + 894) + 424 × 1 203 =

576 × 1 203 + 424 × 1 203 =

dam factor comun

1 203 × ( 576 + 424) =

1 203 × 1 000 =

1 203 000
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