en un estante se colocaran 3 libros de matematica (Distintos) y 6 libros de ciencia natural (distintos) de cuantas formas pueden ordenarse de modo que no queden juntos los 3 libros de matematica Ayud doy como mejor respuesta al que me ayude

Dimitri used a coupon that saved him 80 percent, or $6.87. he paid $34.35 for the items. dimitri used a coupon that saved him 80 percent, or $27.48. he paid $34.35 for the items. dimitri used a coupon that saved him 80 percent, or $6.87. the price of the items before the discount was $34.35.dimitri used a coupon that saved him 80 percent, or $27.48. the price of the items before the discount was $34.35.