190x28-19x190+190
=190x(28-19+1)
=190x10
=1900
\(190\) x \(28-19\) x \(190+190\)
\(=190\) x \(\left(28-19\right)+190\)
\(=190\) x \(9+190\)
\(=1710+190\)
\(=1900\)
190x28-19x190+190
=190x(28-19+1)
=190x10
=1900 nha em !
190 x 28 - 19 x 190 + 190 + 1
= 190 x ( 28 - 19 + 1 )
= 190 x 10 = 1900
tha tim de