Question

tính : căn 0,99 phần 0,81 

Answer 1

\(\sqrt{\dfrac{0.99}{0.81}}=\dfrac{\sqrt{99}}{9}\)

Answer 2

\(\sqrt{\dfrac{0.99}{0.81}}=\sqrt{\dfrac{99}{81}}=\dfrac{\sqrt{99}}{9}\)

Answer 3

\(\dfrac{\sqrt{0,99}}{0,81}=\dfrac{10\sqrt{11}}{27}\)