Question

(3/4 - 5/6)²=?

Giúp mình với :((((

 

Answer 1

\(\left(\frac{3}{4}-\frac{5}{6}\right)^2\)

\(=\left(\frac{9}{12}-\frac{10}{12}\right)^2\)

\(=\left(\frac{9-10}{12}\right)^2\)

\(=\left(\frac{-1}{12}\right)^2\)

Answer 2

\(\left(\frac{3}{4}-\frac{5}{6}\right)^2=\frac{3}{4}^2-2.\frac{3}{4}.\frac{5}{6}+\frac{5}{6}^2\)

Answer 3

\(\left(\frac{3}{4}-\frac{5}{6}\right)^2\)

\(=\left(\frac{9}{12}-\frac{10}{12}\right)^2\)

\(=\left(\frac{9-10}{12}\right)^2\)

\(=\left(\frac{-1}{12}\right)^2\)

Answer 4

\(\left(\frac{3}{4}-\frac{5}{6}\right)^2=\left(\frac{3}{4}\right)^2-2\times\frac{3}{4}\times\frac{5}{6}+\left(\frac{5}{6}\right)^2=\frac{9}{16}-\frac{5}{4}+\frac{25}{36}=\frac{1}{144}\)

Answer 5

\(\left(\frac{3}{4}-\frac{5}{6}\right)^2\)

\(=\left(\frac{9}{12}-\frac{10}{12}\right)^2\)

\(=\left(\frac{9-10}{12}\right)^2\)

\(=\left(\frac{-1}{12}\right)^2\)

\(=\frac{1}{144}\) nha  Kids Jonh            ^_^