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a, 2010 x 3+ 2010 x 6 + 2010
= 2010 x ( 3 + 6 + 1)
= 2010 x 10
= 20100
b, 2011 x 89 + 10 x 2011 + 2011
= 2011 x (89 + 10 + 1)
= 2011 x 100
= 201100
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 2011 x 3+ 2011 x 6 + 2011
= 2011 x ( 3+6+1)
= 2011 x 10
= 20110
b, 2010 x 89 + 10 x 2010 + 2010
= 2010 x (89+10+1)
= 2010 x 100
= 201000
![](https://rs.olm.vn/images/avt/0.png?1311)
a,2010x3+2010x6+2010
=2010x(3+6+1)
=2010x10
=20100
b,2011x111-10x2011-2011
=2011x(111-10-1)
=2011x100
=201100
a)2010 x 3 + 2010 x 6 +2010
=2010 x 3 + 2010 x 6 + 2010 x 1
=2010 x (3 + 6 + 1)
=2010 x 10
=20100
b)2011 x 111 - 10 x 2011 - 2011
=2011 x 111 - 10 x 2011 - 2011 x 1
=2011 x (111 - 10 -1)
=2011 x 100
=201100
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
2011 x 6 + 2011 x 3 + 2011
= 2011 x 6 + 2011 x 3 + 2011 x 1
= 2011 x ( 6 + 3 + 1 )
= 2011 x 10
= 20110
2011 x 6 +2011 x 3 + 2011
= ( 6 + 3 + 1 ) x 2011
= 10 x 2011
= 20110
![](https://rs.olm.vn/images/avt/0.png?1311)
nhận xét
\(\dfrac{2010}{2011}\)<1
...
\(\dfrac{2013}{2014}< 1\)
vì 1<4⇒M<4