Răspuns:
Explicație pas cu pas:
121,13 : x = 2,5
[tex] \frac{12113}{100} \times \frac{1}{x} = \frac{25 {}^{(5} }{10} \\ [/tex]
[tex] \frac{12113}{100x} = \frac{5}{2} \\ [/tex]
100x × 5 = 2 × 12113
500x = 24226
[tex] x = \frac{24226 {}^{(2} }{500} = \boxed{\frac{12113}{250}} \\ [/tex]