Question

Tính: 8/9 x 15/16 x 24/25 x...x 2499/2500

Answer 1

8/9 x 15/16 x 24/25 x...x 2499/2500

=   \(\frac{2\times4}{3\times3}\times\frac{3\times5}{4\times4}\times\frac{4\times6}{5\times5}\times...\times\frac{49\times51}{50\times50}\)

=   \(\frac{2\times4\times3\times5\times4\times6\times...\times49\times51}{3\times3\times4\times4\times5\times5\times...\times50\times50}\)

= \(\frac{2\times51}{3\times50}\)

= \(\frac{17}{25}\)

Answer 2

\(\frac{8}{9}.\frac{15}{16}.\frac{24}{25}....\frac{2499}{2500}=\frac{8.15...2499}{9.16...2500}=\frac{2.4.3.5...49.51}{3.3.4.4...50.50}=\frac{\left(2.3.4...49.50\right).\left(4.5...49.51\right)}{\left(2.3.4...49.50\right).\left(3.4.5...49.50\right)}=\frac{51}{3.50}\)\(=\frac{17}{50}\)

Answer 3

HELLO, KẾT BẠN VỚI MÌNH NHÉ ^.^ !!!

Answer 4

Bài 1 :

8/9 : x - 3/4 =2/3