ί

  1. V. . qui, que; .
  2. V. . qui, que; .
  3. V. Ѳ в
  4. VIII. , , ó
  5. ˲ Ҳ. ̲ ˲ Ҳ
  6. Ͳ
  7. ___ .

x0- (x0? ?), d - .

U (x0, D) x0 d (x0- D, x0+ D).

x U (x0, D) | x-x0|

(x0, D) x0 d (x0- D, x0+ D) \ .

x (x0, D) 0 ? | x-x0|

U(+ ?, d) = (+ ?, d) U(- ?, d) = (- ?, d) + ? - ? (d, + ?) (- ?, -d).

x U(+ ?, d) x > D, U(- ?, d) - x <-d.

(x0+ 0, d) (x0, x0+ D), (x0- 0, d) (x0- D, x0).




ί | | ʲ ˲ Ҳ | ʲ ʲ ֲ | ² Ʋ | ֲ | Բֲ | Ͳ | ֲ, |

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