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18.03.2013

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2, 3, 4, 5, 8, 9, 10, 11. , , , .


2.

2 , 2 (.. ).


, 288 2, .. 8 2.


3.

3 , 3.


, 462 3, .. 4 + 6 + 2 = 12 3.


4.

4 , , 4.


, 1352 4, .. 52 4.


5.

5 , 5 (.. 5 0).


, 235 5, .. 5 5.


6.

6 , 2 3 (.. 3).


, 4602 6, .. 4602 - 4 + 6 + 0 + 2 = 12 3.


8.

8 , , 8.


, 32168 8, .. 168 8.


9.

9 , 9.


, 756 3, .. 7 + 5 + 6 = 18 9.


10.

10 , 0.


, 2030 10, .. 0.


11.

11 , , , 11.


, 918390 11, .. (9 + 8 + 9) - (1 + 3 + 0) = 26 - 4 = 22 11. , , - .


2n (nN).

, 2n , n 2n (nN).


, 14532320 32 (25), .. 32320 32.


5n (nN).

, 5n , n 5n (nN).


, 12625 125 (53), .. 625 125.


10n (nN).

, 10n , n (nN).


, 150000 10000 (104), .. 4 .



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