Question

Tính nhanh 492 : 4 x 123 x (2 + 13) : 3

Answer 1

492:4×123×(2+13):3

=492:4×123×15:3

=123×123×15:3

=15129×15:3

=226935:3

=75645

Answer 2

492:4×123×(2+13):3

 

=492:4×123×15:3

 

=123×123×15:3

 

=15129×15:3

 

=226935:3

 

=75645