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Determinati-l pe x din proportia a/b=c/x, unde a =2^2008-2^2007-2^2006,b=4^1004, c=3:0,25​

Răspuns :

Salut!

a =2^2008-2^2007-2^2006

a=2^2006(2²-2¹-1)

a=2^2006*1

a=2^2006

a=(2²)^1003=4^1003

c=3:0,25=3:25/100=3:1/4=3*4=12

a/b=c/x

4^1003/4^1004=12/x

1/4=12/x

x=12*4=48

Kawaiimath