第 11 楼
GIVEN THAT
1+1/2+1/4+1/8+...+(1/2)^n = 2-(1/2)^n
[此贴子已经被作者于2013-6-7 20:16:52编辑过]
GIVEN THAT
1+1/2+1/4+1/8+...+(1/2)^n = 2-(1/2)^n
GIVEN THAT
1+1/2+1/4+1/8+...+(1/2)^n = 2-(1/2)^n
咁有冇聽過1+2+4+8+...??
講1+2+4+8+16+32咁先
前面加多個1比佢
1+1+2+4+8+16+32
=>2+2+4+8+16+32
=>4+4+8+16+32
and so on...
呢個只係簡單既諗法
另外既F6會教架啦
有公式
咁有冇聽過1+2+4+8+...??
講1+2+4+8+16+32咁先
前面加多個1比佢
1+1+2+4+8+16+32
=>2+2+4+8+16+32
=>4+4+8+16+32
and so on...
呢個只係簡單既諗法
另外既F6會教架啦
有公式
呢個我form3聽過
1+2+4+8+16+32=63
1+1+2+4+8+16+32=63+1
2+2+4+8+16+32=64
...
32+32=64
唔知你明唔明我想講咩
係兩邊+1就會慢慢疊落去
