Question

20,12 x 45,2 + 40,24 x 41,27 - 20,12 x 27,77 =?

Answer 1

20,12 x 45,2 + 40,24 x 41,27 - 20,12 x 27,77

=20,12 x 45,2 + 2 x 20,12 x 41,27 - 20,12 x 27,77

Answer 2

nhầm đó đây nè:

20,12 x 45,2 + 2 x 20,12 x 41,27 - 20,12 x 27,77

=20,12 x 45,2 +20,12 x 82,54 - 20,12 x 27,77

=20,12 x (45,2 + 82,54 - 27,77)

=20,12 x 99,97

=2011,3964