=345*(123-23)=345*100=34500
345x123-345x23
=345x(123-23)
=345x100
=34500
345 x 123 - 345 x 23
= 345 x ( 123 - 23 )
= 345 x 100
= 34500
345x123-345x23
=345x(123-23)
=345x100
=34500
#H
345 x 123 - 345 x 23
= 345 x ( 123 - 23 )
= 345 x 100
= 34500.
~ HT :) ~
Bằng : 345 x ( 123 - 23 ) = 345 x 100 = 34500