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Daca a,b,c,d sunt numerenaturale astfel incat a.c=78 si b.d=87, calculeaza a.b.c.d.

Răspuns :

Coroana si multumesc?? pls

a·c=78

b·d=87

a·b·c·d=(a·c)x(b·d)=78·87=6786



axc=78

bxd=87

axbxcxd=(axc)x(bxd)=78x87=6786