[سيسيليفينيا]

المشاركة الأصلية كتبت بواسطة Ł ớ m ŷ c. The novels must be together but the other books can be arranged in any order the number of ways to arrange the novels is given by 3! = 6 and the other three books can be arranged in 3! Ways with the blocks of novels in any of the four positions in between giving 4 .(3!) . (3!) = 144

ذا السؤال ايش تقصدي في 4 ليه ضربتي في 4