1) 1.2*1024=1228.8
1228.8/100=12.288
2) 1.44*1024=1474.56
1474.56/100=14.7456
Переведём 31 в другие системы, начиная с двоичной
31_10 = 11111_2 = 1011_3 = 133_4 = 111_5 = 51_6 = 43_7
---------------
Остаток от деления 32 на n
n - остаток
<span><span><span>
5
2
</span>
<span>
6
2
</span>
<span>7
4
</span>
<span>
8
0
</span>
<span>
9
5
</span>
<span>
10
2
</span>
<span>
11
10
</span>
<span>
12
8
</span>
<span>
13
6
</span>
<span>14
4
</span>
<span>
15
2
</span>
<span>
16
0
</span>
<span>
17
15
</span>
<span>18
14
</span>
<span>
19
13
</span>
<span>
20
12
</span>
<span>
21
11
</span>
<span>
22
10
</span>
<span>
23
9
</span>
<span>
24
8
</span>
<span>
25
7
</span>
<span>
26
6
</span>
<span>
27
5
</span>
<span>28
4
</span>
<span>
29
3
</span></span></span>
-------
65_8 = 53_10 = 1 + n +3n^2
<span>3 n^2 + n - 52 = 0
</span>n=4
C2 = $A$1 + B2 = 26 + 53 = 79 ;
C3 = $A$1 + B3 = 26 + 21 = 47.