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URGENT VA ROG!!!!

a=?
2•a - a:2 = 15 supra 16


Răspuns :

a=?
2a-[tex] \frac{a}{2} [/tex]=[tex] \frac{15}{16} [/tex]
[tex]2a- \frac{a}{2} = \frac{15}{16} \\ \frac{32a}{16} - \frac{8a}{16} = \frac{15}{16} \\ 24a=15 \\ a= \frac{15}{24} = \frac{5}{8} [/tex]