Tính nhanh :
$\frac{2022 . 2022 + 2021 . 11}{2021 . 2020 – 2019 – 2019 . 2020 }$
Tính nhanh : $\frac{2022 . 2022 + 2021 . 11}{2021 . 2020 – 2019 – 2019 . 2020 }$
By Piper
By Piper
Tính nhanh :
$\frac{2022 . 2022 + 2021 . 11}{2021 . 2020 – 2019 – 2019 . 2020 }$
2022.2022+2021.11
/
2021.2020-2019-2019.2020
=2021.2022+2021.11+2022
/
2021.2020-2019.2020-2019
=2021.2033+2022
/
2020.3-2019
=2021.2033+2022
/
4041