Question

2012\(\times\)1001- 2012+2013\(\times\)999+2013

Answer 1

Ta có : 2012 x 1001 - 2012 + 2013 x 999 + 2013

= 2012 x (1001 - 1) + 2013 x (999 + 1)

= 2012 x 1000 + 2013 x 1000

= 1000 x (2012 + 2013)

= 1000 x 4025

= 4 025 000

Answer 2

=2014012-2012+2010987+2013

=2012000+2010987+2013

=4025000

Answer 3

=2014012-2012+2010987+2013

= 2012000 + 2010987 + 2013

= 4025000

Hoc tot !!!!! k cho tui nha!!!