Răspuns :
Răspuns:
[tex] \frac{ab}{22} + \frac{ba}{22} = \frac{10a + b}{22} + \frac{10b + a}{22} = \frac{11a + 11b}{22} = \frac{11(a + b)}{22} = \frac{a + b}{2} [/tex]
Răspuns:
[tex] \frac{ab}{22} + \frac{ba}{22} = \frac{10a + b}{22} + \frac{10b + a}{22} = \frac{11a + 11b}{22} = \frac{11(a + b)}{22} = \frac{a + b}{2} [/tex]