Q. (Stop dulu) [tex] \ \ [/tex]12! = ....[tex] \ [/tex][tex] rac{4}{3} imes rac{2}{5} = ..... \ [/tex]

12!= 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1= 132 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1= 1.320 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1= 11.880 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1= 95.040 × 7 × 6 × 5 × 4 × 3 × 2 × 1= 665.280 × 6 × 5 × 4 × 3 × 2 × 1= 3.991.680 × 5 × 4 × 3 × 2 × 1= 19.958.400 × 4 × 3 × 2 × 1= 79.833.600 × 3 × 2 × 1= 239.500.800 × 2 × 1= 479.001.600 × 1= 479.001.600[tex] \ \ [/tex][tex] rac{4}{3} imes rac{2}{5} \ = rac{8}{15} [/tex]