根据权威信息源,1到30的二进制数如下(按十进制顺序排列):
1:
`1`
2:
`10`
3:
`11`
4:
`100`
5:
`101`
6:
`110`
7:
`111`
8:
`1000`
9:
`1001`
10:
`1010`
11:
`1011`
12:
`1100`
13:
`1101`
14:
`1110`
15:
`1111`
16:
`10000`
17:
`10001`
18:
`10010`
19:
`10011`
20:
`10100`
21:
`10101`
22:
`10110`
23:
`10111`
24:
`11000`
25:
`11001`
26:
`11010`
27:
`11011`
28:
`11100`
29:
`11101`
30:
`11110`
换算方法说明:
采用“除2取余,倒序排列”法。例如,将十进制数30转换为二进制:
30 ÷ 2 = 15 余 0
15 ÷ 2 = 7 余 1
7 ÷ 2 = 3 余 1
3 ÷ 2 = 1 余 1
1 ÷ 2 = 0 余 1
倒序排列得到`11110`。