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7pe8x=1 1pe4 DAU COROANA

Răspuns :

[tex] \frac{7}{8} x = 1 \frac{1}{4} \\ \frac{7}{8} x = \frac{5}{4} \\ x = \frac{5}{4} \times \frac{8}{7} \\ x = \frac{10}{7} [/tex]
[tex] \frac{7}{8x} = \frac{11}{4} \\ \\ 7*4=11*8x \\ \\ 28=88x \\ \\ x= \frac{28}{88} \\ \\ x=0,3(18)[/tex]