Question

4/5 x 2/9 + 3/9 x 4/5 + 4/5 x 4/9

giúp cháu với các pác ơi à có gì cháu k rồi kb với cháu nhá

Answer 1

\(\frac{4}{5}\times\frac{2}{9}+\frac{3}{9}\times\frac{4}{5}+\frac{4}{5}\times\frac{4}{9}\)

\(=\frac{4}{5}\times\left(\frac{2}{9}+\frac{3}{9}+\frac{4}{9}\right)\)

\(=\frac{4}{5}\times1\)

\(=\frac{4}{5}\)

#H

Answer 2

=\(\frac{4}{5}\left(\frac{2}{9}+\frac{4}{9}+\frac{3}{9}\right)\)

= \(\frac{4}{5}\cdot1\)

=\(\frac{4}{5}\)

Answer 3

Ta có:

\(\frac{4}{5}\times\frac{2}{9}+\frac{3}{9}\times\frac{4}{5}+\frac{4}{5}\times\frac{4}{9}\)

\(=\frac{4}{5}\times\left(\frac{2}{9}+\frac{3}{9}+\frac{4}{9}\right)\)

\(=\frac{4}{5}\times1\)

\(=\frac{4}{5}\)

HOK TỐT

Answer 4

\(\frac{4}{5}\times\frac{2}{9}+\frac{3}{9}\times\frac{4}{5}+\frac{4}{5}\times\frac{4}{9}.\)

= \(\frac{4}{5}\times\left(\frac{2}{9}+\frac{3}{9}+\frac{4}{9}\right)\)

= \(\frac{4}{5}\times1\)= \(\frac{4}{5}\)

Answer 5

Cảm ơn pác nhá

ừa thì cháu chọn 5

nha

k cháu nhá

Answer 6

4/5  x  2/9  + 3/9  x  4/5  +  4/5 x  4/9

=4/5  x  ( 2/9  +  3/9  +  4/9 )

=4/5  x         1

=4/5

Answer 7

      \(\frac{4}{5}\times\left(\frac{2}{9}+\frac{3}{9}+\frac{4}{9}\right)\)

\(=\frac{4}{5}\times1\)

\(=\frac{4}{5}\)

\(HT\)

Answer 8

\(\frac{4}{5}\)\(\times\)\(\frac{2}{9}\)\(+\)\(\frac{3}{9}\)\(\times\)\(\frac{4}{5}\)\(+\)\(\frac{4}{5}\)\(\times\)\(\frac{4}{9}\)

\(=\)\(\frac{4}{5}\)\(\times\)\(\left(\frac{2}{9}+\frac{3}{9}+\frac{4}{9}\right)\)

\(=\)\(\frac{4}{5}\)\(\times\)\(\frac{9}{9}\)

\(=\)\(\frac{4}{5}\)\(\times\)\(1\)

\(=\)\(\frac{4}{5}\)

Answer 9

\(\frac{4}{5}\times\frac{2}{9}+\frac{3}{9}\times\frac{4}{5}+\frac{4}{5}\times\frac{4}{9}\)

\(\Rightarrow\frac{4}{5}\times\left(\frac{2}{9}+\frac{3}{9}+\frac{4}{9}\right)\)

\(\Rightarrow\frac{4}{5}\times1\)

\(\Rightarrow\frac{4}{5}\)

\(@Duy\)

\(#Minhthaito\)