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1 Aflati valoarea raportului[tex] \frac{a}{b} [/tex] , daca a= 2,4 iar b=1,6
2 Determinati valoarea raportului dintre 1,2 ha si 250[tex] m^{2} [/tex]
3 Daca [tex] \frac{a}{b}= \frac{4}{3} , aflati   \frac{3a}{2b} [/tex]
4 Daca [tex] \frac{5x}{2y} [/tex]=1,25 aflati[tex] \frac{y}{x} [/tex]


Răspuns :

a/b= 2,4/1,6=3/2 = 1,5
1,2 ha =12000 m²
12000/250=48

a/b=4/3  ⇒b=3a/4
3a/2b=3a/(2x3a/4)=3a/(3a/2)=2

5x/2y=1,25
5x=2,5y
x=2,5y/5=y/2

x=y/2
 y/x=2