(-5)/9. 2/3 + (-5)/9. 11/3 - 5/9

2 câu trả lời

Answer

`{-5}/9 . 2/3 + {-5}/9 . 11/3 - 5/9`

`= -5/9 . 2/3 - 5/9 . 11/3 - 5/9 . 1`

`= -5/9 . (2/3 + 11/3 + 1)`

`= -5/9 . (13/3 + 1)`

`= -5/9 . 16/3`

`= {-80}/27`

$@Xà Phòng$

`(-5)/9 . 2/3 + (-5)/9) . 11/3 - 5/9`

= `(-5)/9 . 2/3 + (-5/9) . 11/3 + (-5)/9 . 1` 

= `(-5)/9 .  ( 2/3 + 11/3 + 1 )`

=`(-5)/9 . (2/3 + 11/3 + 3/3)`

=`(-5)/9 . 16/3`

=`{-5 . 16}/ {9 . 3}`

=`-80/27`