Răspuns :
3/8 + 7/12 - 23/24 =
=(3 * 3)/(3 * 8) + (2 * 7)/(2 * 12) - (1 * 23)/(1 * 24) =
=9/24 + 14/24 - 23/24 =
=(9 + 14 - 23)/24 =0
=(3 * 3)/(3 * 8) + (2 * 7)/(2 * 12) - (1 * 23)/(1 * 24) =
=9/24 + 14/24 - 23/24 =
=(9 + 14 - 23)/24 =0
[tex] \frac{3}{8}+ \frac{7}{12}- \frac{23}{24}= \frac{3*3+7*2-23}{24}= \frac{9+14-23}{24}= \frac{23-23}{24}= \frac{0}{24}=0 [/tex]