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Numeri e sistemi di numerazione - Dipartimento di Scienze ...

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Moltiplicazione / 2<br />

Now go through a number of subtractions:<br />

41 - 32 = 9, 9 - 8 = 1, 1 - 1 = 0 to see that 41 = 32 + 8 + 1.<br />

Next check the numbers in the right hand column<br />

correspon<strong>di</strong>ng to 32, 8, 1 and add them:<br />

41 59<br />

_______________________<br />

1 59 v<br />

2 118<br />

4 236<br />

8 472 v<br />

16 944<br />

32 1888 v<br />

_______________________<br />

2419<br />

Notice that the multiplication is achieved with only<br />

ad<strong>di</strong>tions.

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