Question

-5/9 . 13/28 - 13/ 28 .4/9                

ai tra loi dung mik tich cho

Answer 1

\(\frac{-5}{9}.\frac{13}{28}-\frac{13}{28}.\frac{4}{9}\)

\(=\frac{13}{28}.\left(\frac{-5}{9}-\frac{4}{9}\right)\)

\(=\frac{13}{28}.\left(-1\right)\)

\(=\frac{-13}{28}\)

Answer 2

=13/28.(-5/9-4/9)

=13/28.(-1)

=-13/28

Answer 3

\(\frac{-5}{9}.\frac{13}{28}-\frac{13}{28}.\frac{4}{9}\)

\(=\frac{13}{28}.\left[\frac{\left(-5\right)}{9}+\frac{4}{9}\right]\)

\(=\frac{13}{28}.\left(-1\right)\)

\(=-\frac{13}{28}\)

Answer 4

\(-\frac{5}{9}.\frac{13}{28}-\frac{13}{28}.\frac{4}{9}\)

\(=\left(\frac{5}{9}+\frac{4}{9}\right)-\frac{13}{28}\)

\(=1.\left(-\frac{13}{28}\right)=\frac{-13}{28}\)

Answer 5

-5/9.13/28-13/28.4/9

=13/28.(-5/9-4/9)

=13/28.-1

=-13/28