№1
1001101₂ = 1 * 2⁶ + 1 * 2³ + 1 * 2² + 1 * 2⁰ = 77₁₀
342₇ = 3 * 7² +4 * 7¹ + 2 * 7⁰ = 177₁₀
A26₁₆ = 10 * 16² + 2 * 16¹ + 6 * 16⁰ = 2598₁₀
№2
36₁₀ = 100100₂
197₁₀ = 305₈
681₁₀ = 2A9₁₆
№3
100100110101₂ = 2357₁₀ = 4465₈
1011011₂ = 91₁₀ = 133₈
№4
100110100101₂ = 2469₁₀ = 3A5₁₆
11001111011001₂ = 13273₁₀ = 33d9₁₆
№5
245₈ = 165₁₀ = 10100101₂
573₈ = 379₁₀ = 101111011₂
№6
1BA7₁₆ = 7079₁₀ = 1101110100111₂
ACF₁₆ = 2767₁₀ = 101011001111₂
№7
B68₁₆ = 2920₁₀ = 5550₈
FE9₁₆ = 4073₁₀ = 7751₈
№8
655₈ = 429₁₀ = 1AD₁₆
743₈ = 783₁₀ = 1E3₁₆
#include <iostream>
using namespace std;
void main()
{<span> int a[10] = {0,0,1,0,1,4,5,0,3,1};//в скобках впиши массив свой.</span><span>
</span><span>for (int i = 0;i < 10;++i)
</span><span> {</span><span>
int k = 0;
</span><span> for (int j = 0;j < 10;++j)</span><span>
{
</span><span> if (a[i] == a[j])</span><span> k++;</span><span>
}</span><span>
if ((k >= 3) && (k <= 4))</span><span> cout << i << " ";</span>
<span> }
</span><span> system("pause");
</span><span>}</span>