\(2\cdot25\cdot9\cdot2+9\cdot3\)
\(=2\cdot25\cdot2\cdot9+9\cdot3\)
\(=25\cdot4\cdot9+9\cdot3\)
\(=100\cdot9+9\cdot3\)
\(=9\cdot\left(100+3\right)\)
\(=9\cdot103\)
\(=927\)
2 . 25 . 9 . 2 + 9 . 3
= 50 . 18 + 27
= 900 + 27
= 927
2.25.9.2+9.3
=2.2.25.9+9.3
=4.25.9+27
=100.9+27
=900+27
=927
2 .25 . 9 . 2 + 9 . 3
= 50 . 9 . ( 2 + 3 )
= 50 . 45
= 2250
nhớ t mk nha các bn ^_^