👤

Daca a supra 7 = 5 supra 3 atunci a+7 supra 7 este egal cu?

Răspuns :

a/7=5/3
a+7/7=5+7/3=12/3=4
[tex] \frac{a}{7} = \frac{5}{3} [/tex]
[tex] \frac{a+7}{7} =?[/tex]=
 [tex]ex]a= \frac{7*5}{3} 
[t[tex] \frac{7 +\frac{35}{3} }{7} = \frac{ \frac{35+21}{3} }{7} == \frac{35}{3} [/tex]=[tex] \frac{ \frac{56}{3} }{7} = \frac{56}{3} :7= \frac{56}{3} * \frac{1}{7} = \frac{56}{21} [/tex]