Question

\(\dfrac{1999...99}{999...995}\)100 chữ số 9 cả tử và mẫu

Answer 1

\(\dfrac{1999999999}{9999999995}=\dfrac{1999999999.1}{1999999999.5}=\dfrac{1}{5}\)

Answer 2

nhanh lên giúp mình nhé!

Answer 3

1/5

Answer 4

\(\dfrac{1999...99\left(100chuso9\right)}{999.995\left(100chuso9\right)}\)

\(=\dfrac{1999...99\left(100chuso9\right)}{5.1999...99\left(100chuso9\right)}=\dfrac{1}{5}\)