Неполное количество, там не указано время!
772=11000000100
-71=-1000111
284,375=100011100.011
1. 9F
2. 31
3. 221
4. 1011
+ 101
_____
10000
5. 1011
* 111
______
1011
+1011
+1011
______
1001101
6. 69
<span>19 div 4 = 4
</span><span><span>19 mod 4 = 3
</span>21 div 6 = 3
</span><span>21 mod 6 = 3
30 div 7 = </span>4
<span>30 mod 7 = </span>2