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MayraMoldoveanu
a fost răspuns

deter. x€Q stiind ca.
A.x/9=8/3
b.3/4=18/x
c.0,8/0, 5=16/5/x
d.x/2=8/x

Răspuns :

Capsunica35
x/9=8/3     x=9*8/3=24

3/4=18/x       x=18*4/3=24

0,8/0,5=16/5/x    16/5=3,2
x=0,8*3,2/0,5=5,12

x/2=8/x    x*x=2*8    x^2=16    x=rad16     x=4

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