Question

Tính nhanh: \(\dfrac{7}{1`2}.\dfrac{2024}{2023}-\dfrac{7}{2023}.\dfrac{1}{2}\)

Answer 1

Có phải đề như này ko ?

`7/1^2`.`2024/2023-7/2023`.`1/2`

Answer 2

`#``\text{Lócc}`

`7/1.2 . 2024/2023 - 7/2023 . 1/2`

`= 7/2 . 2024/2023 - 7/2023 . 1/2`

`= 7/1 . 1/2 . 2024/2023 - 7/2023 . 1/2`

`= 7 . 1/2. (2024/2023 - 7/2023 )`

`= 7. 1/2 .2017/2023`

`= 7/2 . 2017/2023`

`= 14189/4046`

Answer 3

Tham khảo