Question

Tính nhanh:

16 x 3 x 21 + 24 x 2 x 52 + 12 x 4 x 27

Answer 1

16 x 3 x 21 + 24 x 2 x 52 + 12 x 4 x 27

= 48 x 21 + 48 x 52 + 48 x 27

= 48 x ( 21 + 52 + 27 )

= 48 x 100

= 4800

Answer 2

16 x 3 x 21 + 24 x 2 x 52 + 12 x 4 x 27

=48*21+48*52+48*27

=48*(21+52+27)

=48*100

=4800

Answer 3

   16 x 3 x 21 + 24 x 2 x 52 + 12 x 4 x 27

= 48 x 21 + 48 x 52  + 48 x 27

= 48 x ( 21 + 52 + 27)

= 48 x 100

= 4800

Answer 4

= 4800