Ile to jest? 30 * ( 30 -1) * (30-2) = ?
30*[30-1]*[30-2]=30*29*28=24360
30*(30-1)*(30-2)= 30*29*28=24 360
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30*[30-1]*[30-2]=30*29*28=24360
30*(30-1)*(30-2)= 30*29*28=24 360