Question

Tính nhanh

2013x(1013-13)+100x(253+47)

Answer 1

2013 x ( 1013 - 13 ) + 100 x ( 253 + 47 )

= 2013 x 1000 + 100 x 300

= 2 013 000 + 3 000

= 2 016 000

Answer 2

2013 x ( 1013 - 13 ) + 100 x ( 253 + 47 ) 

2013 x         1000     + 100 x       300

         2013000           +       300000

                            2313000

Answer 3

= 2013 x 1000 + 100 x300

= 2013 x 1000 + 1000 x 3000

= (2013 + 3000 ) x 1000

= 4013000

Answer 4

bằng :

= (2013 x 1000) + (100 x 300)

= 2013000 + 30000

= 2043000