Răspuns :
( [tex] \frac{7}{8} [/tex] + [tex] \frac{5}{6} [/tex] ) · [tex] \frac{24}{41} [/tex] =
( [tex] \frac{21}{24} [/tex] + [tex] \frac{20}{6} [/tex] ) · [tex] \frac{24}{41} [/tex] =
( [tex] \frac{21 + 20}{24} [/tex] ) · [tex] \frac{24}{41} [/tex] =
[tex] \frac{41}{24} [/tex] · [tex] \frac{24}{41} [/tex] =
· ··[tex] \frac{41* 24 }{41*24} [/tex] = [tex] \frac{948}{948} [/tex] => 1
( [tex] \frac{21}{24} [/tex] + [tex] \frac{20}{6} [/tex] ) · [tex] \frac{24}{41} [/tex] =
( [tex] \frac{21 + 20}{24} [/tex] ) · [tex] \frac{24}{41} [/tex] =
[tex] \frac{41}{24} [/tex] · [tex] \frac{24}{41} [/tex] =
· ··[tex] \frac{41* 24 }{41*24} [/tex] = [tex] \frac{948}{948} [/tex] => 1