Question

2*53*12+4*6*87-3*8*40

Answer 1

2 x 53 x 12 + 4 x 6 x 87 -  3 x 8 x 40

= 2 x 12 x 53 + 4 x 6 x 87 - 3 x 8 x 40

= 24 x 53 + 24 x 87 - 24 x 40

= 24 x (53 + 87 - 40)

= 24 x (140 - 40)

= 24 x 100

= 2400

Ủng hộ mk nha ^_-

Answer 2

2 x 53 x 12 + 4 x 6 x 87 - 3 x 8 x 40

= 24 x 53 + 24 x 87 - 24 x 40

= 24 x ( 53 + 87 - 40 )

= 24 x 100

= 2400

Answer 3

  2x53x12+4x6x87-3x8x40

=2x12x53+4x6x87-24x40

=24x(53+87-40)

=24x100

=2400

K cho Mk nhe!!!

Answer 4

2 x 53 x 12 + 4 x 6 x 87 - 3 x 8 x 40

= 24 x 53 + 24 x 87 - 24 x 40

= 24 x ( 53 + 87 - 40 )

= 24 x 100

= 2400