Question

Tính nhanh:

75.(25-52)-52.(25-75)

Answer 1

\(75.\left(25-52\right)-52.\left(25-75\right)\)

\(=75.25-75.52-52.25+52.75\)

\(=25.\left(75-52\right)\)'

\(=25.23=575\)

Answer 2

75.(25-52)-52.(25-75)

=75.25-75.52-52.25-52.75

=...tự làm đi

Answer 3

75 . ( 25 - 52 ) - 52 . ( 25 - 75 )

= 75 . 25 -75 . 52 - 52 . 25 - 52 . 75

= 25 . ( 75 - 52 )

= 25 . 23

= 572