Question

[ 2phan15 + 1phan 5 ] : 2

Answer 1

\(\left(\frac{2}{15}+\frac{1}{5}\right):2\)

\(=\frac{1}{3}\cdot\frac{1}{2}\)

\(=\frac{1}{6}\)

Answer 2

\(\left[\frac{2}{15}+\frac{1}{5}\right]:2\)

\(=\left[\frac{2}{15}+\frac{3}{15}\right]:2\)

\(=\frac{1}{3}:2\)

\(=\frac{1}{3}\times\frac{1}{2}=\frac{1}{6}\)

Nhớ tk nhé !

Mơn ạ !

Answer 3

=5 phần 15 : 2

=15 phần 5

chúc bạn học tốt

Answer 4

=75/450=1/10

Tk mk nhé!

Answer 5

(2/15 + 1/5): 2=1/3 : 2

                    =1/6

Answer 6

nhớ k mình nhé

=)

:)

Answer 7

   ( 2/15 + 1/5 ) : 2

= ( 2/15+ 3/15 ) : 2 

=    5/15 : 2

=   1/3 : 2

=  1/3 . 1/2 

= 1/6