Question

Tính hợp lý

59.(49 - 73) - 49.(59-73)

Answer 1

59.(49 - 73) - 49.(59-73)

= 59.49 - 59.73 - 49.59 - 49.73

= ( 59.49) - ( 49.59) - [ 73. ( 59 - 49 )]

= 0 - ( 73.10 )

= 0 - 730

= - 730.

Answer 2

=-730

Answer 3

59.(49-73) - 49.(59-73)

= 59.49 - 59.73 - 49.59 - 49.73

= (59.49) - (49.59) - [73.(59-49)]
= 0 - (73.10)
= 0 - 730

-730