Question

tính

\(\dfrac{4}{7}.\dfrac{5}{11}+\dfrac{4}{7}.\dfrac{6}{11}\)

Answer 1

4/7 . 5/11 + 4/7 .6/11

= 4/7 .( 5/11 + 6/11 )

= 4/7 .1

= 4/7

Answer 2

\(\dfrac{4}{7}\)

Answer 3

4/7 . 5/11 + 4/7 . 6/11

= 4/7 . (5/11 + 6/11)

=4/7 . 1

=4/7

Answer 4

Theo đầu bài, ta có:

\(\dfrac{4}{7}.\left(\dfrac{5}{11}+\dfrac{6}{11}\right)\)

\(=\dfrac{4}{7}.1\)

\(=\dfrac{4}{7}\)

Answer 5

4/7.( 5/11+6/11)

=4/7.11/11

=4/7.1

=4/7