Dispositif conception que la multiplication de deux nombres à quatre chiffres

Partie 2.


h1h2h3h4

h5h6h7h8


(H1h8) (h2h8) (h3h8) (h4h8)

(H1h7) (h2h7) (h3h7) (h4h7)

(H1h6) (h2h6) (h3h6) (h4h6)

(H1h5) (h2h5) (h3h5) (h4h5)


h3h8 H4h7 Y7 P1
0 0 0 0
0 1 1 0
1 0 1 0
1 1 0 1


Y7=(a + b) + (a + b); a=x3x8; b=x4x7 P1=ab


a b c P1 P2 Y6 P2 rsquo;
0 0 0 0 0 0 0
0 0 0 1 0 1 0
0 0 1 0 0 1 0
0 0 1 1 1 0 0
0 1 0 0 0 1 0
0 1 0 1 1 0 0
0 1 1 0 1 0 0
0 1 1 1 1 1 0
1 0 0 0 0 1 0
1 0 0 1 1 0 0
1 0 1 0 1 0 0
1 0 1 1 1 1 0
1 1 0 0 1 0 0
1 1 0 1 1 1 0
1 1 1 0 1 1 0
1 1 1 1 0 0 1

Après simplifier Y6=(CP1 + CP1) (ab + ab) + (+ CP1 CP1) (ab + ab)


P2=a (BP1 + BP1) + p1 (+ bc bc) + abc a=x2x8; b=x3x7; c=x4x6

P2 rsquo;=abcp1


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a b c d P2 P3 Y5 P3 rsquo;
0 0 0 0 0 0 0 0
0 0 0 0 1 0 1 0
0 0 0 1 0 0 1 0
0 0 0 1 1 1 0 0
0 0 1 0 0 0 1 0
0 0 1 0 1 1 0 0
0 0 1 1 0 1 0 0
0 0 1 1 1 1 1 0
0 1 0 0 0 0 1 0
0 1 0 0 1 1 0 0
0 1 0 1 0 1 0 0