Question

cách làm bài 6/5+3/7-1/5+4/7

Answer 1

`6/5+3/7-1/5+4/7`

`=(6/5-1/5)+(3/7+4/7)`

`=5/5+7/7`

`=1+1`

`=2`

Answer 2

cảm ơn bạn

Answer 3

\(=\left(\dfrac{6}{5}-\dfrac{1}{5}\right)+\left(\dfrac{4}{7}+\dfrac{3}{7}\right)\)

\(=\left(\dfrac{5}{5}\right)+\left(\dfrac{7}{7}\right)\)

\(=2\)

Answer 4

6/5+3/7-1/5+4/7

=(6/5-1/5)+(3/7+4/7)

=5/5+7/7

=1+1

=2

Answer 5

=(56​−51​)+(74​+73​)

=(55)+(77)=(55​)+(77​)

$=2$