Question

tính giá trị của biểu thức m x 2 +  n x 2 +  p x 2, biết

a) m = 2006, n = 2007, p = 2008 

b) m + n + p = 2009

Answer 1

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

Answer 2

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

Answer 3

a=12042

b=4018

Answer 4

=(m+n+p)*2

=(2006+2007+2008)*2

=6021*2

=12042

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Answer 6

cau1:m=2006;n=2007;p=2008

        ={2006+2007+2008}*2

        =6027*2

        =12042

cau2:m*2+n*2+p*2

        =2009*2

        =4018                   

Answer 7

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