Question

Câu 5: Tính bằng cách thuận tiện nhất : 

2019 x 45 + 54 x 2019 + 2019/2019 x 2022 - 2018 x 201

Answer 1

2019 x 45 + 54 x 2019 + 2019/2019 x 2022 - 2018 x 201

=2019*(45+54+1)-2018

=2019*100-2018

=201900-2018

=199882

Answer 2

   

2019 x 45 + 54 x 2019 + 2019/2019 x 2022 - 2018 x 201

=2019*(45+54+1)-2018

=2019*100-2018

=201900-2018

=199882

Answer 3

2019 x 45 + 54 x 2019 + 2019/2019 x 2022 - 2018 x 201

=2019x(45+54+1)-2018

=2019x100-2018

=201900-2018

=199882

Học Tốt nhóe ☘