, . , .

9. 30 6.


:30: 6 = 510= 1012= 58.

10. 5865 115.

:133518: 1638


:5865: 115 = 5110= 1100112= 638.
. :
1100112= 25+ 24+ 21+ 20= 51; 638= 6 . 81+ 3 . 80= 51.

11. 35 14.

:438: 168


:35: 14 = 2,510= 10,12= 2,48.
. :
10,12= 21+ 2 -1= 2,5;
2,48= 2 . 80+ 4 . 8-1= 2,5.

4.11. ' ?

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