Question

tính nhanh :

56x12+24x36+24x36

Answer 1

56x12+24x36+24x36

=28x(2x12)+24x36+24x36

=28x24+24x36+24x36

=24x(28+36+36)

=24x100

=2400

Answer 2

56 x 12 + 24 x 36 + 24 x 36

  = 28 x (2x12)+24x36+24x36

  = 28x24+24x36+24x36

  = 24x (28+36+36)

= 24x100

= 2400

Thijjck nhak!!