2- ÂM 2 PHẦN 3 HELP ME!!!!!!!!!

2 câu trả lời

Đáp án:

 $2- \dfrac{-2}{3}$

$= \dfrac{2}{1}- \dfrac{-2}{3}$

$= \dfrac{6}{3}- \dfrac{-2}{3}$

$= \dfrac{6-(-2)}{3}$

$= \dfrac{8}{3}$

 

`2 - (-2)/3`

`= 2 + 2/3`

`= 6/3 + 2/3`

`= 8/3`

_____________

`(2 - (-2))/(3)`

`= (2 + 2)/3`

`= 4/3`