m x 2 + n x 2 + p x 2

= ( m + n + p ) x 2

=       2009     x 2  

=         4018

m*2+n*2+p*2

=(m+n+p)*2

Mà m+n+p=2009

=>2009*2=4018

m×3+n×4+p×2+m2×p

=(m×3+m)+(n×4)+(p×2+p×2)

==m×4+n×4+p×4

​=(m+n+p)×4

=2009×4

=8036

m x 2 +n x 2 + p x 2 = 2 x ( m+n+p)= 2 x 2009 = 4018

Ý 1:

Thay m=2006, n= 2007, p=2008 vào biểu thức ta được:

m x 2 + n x 2 + p x 2

= 2006 x 2 + 2007 x 2 + 2008 x 2

= 4012 + 4014 + 4016

= 12042

___

Ý 2:

m x 2 + n x 2 + p x 2

= (m+n+p) x 2

= 2009 x 2

= 4018

m x 2 + n x 2 + p x 2 biết:

a) m = 2006, n = 2007, p = 2008

2006 x 2 + 2007 x 2 + 2008 x 2

= (2006 + 2007 + 2008) x 2

=6021 x 2 = 12042

b) m + n + p = 2009

ta có: 

m x 2 + n x 2 + p x 2

= ( m + n + p) x 2

mà m + n + p = 2009

suy ra : 

m x 2 + n x 2 + p x 2 

= 2009 x 2 =4018

a) m x 2 + n x 2 + p x 2

= ( m + b + p ) x 2

= ( 2006 + 2007 + 2008 ) x 2 

= 6021 x 2

= 12042

b) m x 2 + n x 2 + p x 2

= ( m + n + p ) x 2

= 2009 x 2 

= 4018

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a/ 

\(m\times2+n\times2+p\times2\)

\(=2006\times2+2007\times2+2008\times2\)

\(=2\left(2006+2007+2008\right)\)

\(=2\times6021\)

\(=12042\)

b/ 

\(m\times2+n\times2+p\times2\)

\(=2\left(m+n+p\right)\)

\(=2\times2009\)

\(=4018\)

ket qua la 4018

ai tot bung kl cho minh nhe

a) m x 2 + n x 2 + p x 2
 = (m + n + p) x 2
 = (2006 + 2007 + 2008) x 2
 = 6021 x 2
 = 12042
b) m x 2 + n x 2 + p x 2
 = (m + n + p) x 2
 = 2009 x 2
 = 4018

a)m x 2 + n x 2 + p x 2 = 2006 x2 +2007 x 2 +2008 x2 = 12042

b)m x 2 + nx2 + px2 = (m+n+p) x2 = 2009x2 = 4018

a=12042

b=4018

m + n + p = 2009

Nếu m = 2006 ; n = 2007 ; p = 2008 thì ta có : 2006 + 2007 + 2008 = 6021.