ThanhTam
24-12-2008, 10:49 PM
Mọi công thức Toán đều được đặt trong cặp thẻ :
HTML Code:
Các ví dụ cơ bản:
1. Phân số
HTML Code:
\frac{x+2007}{x+2008}
Ta sẽ được:
[Only registered and activated users can see links]
2. Chỉ số trên dưới
HTML Code:
a_i
[Only registered and activated users can see links]
HTML Code:
a^n
[Only registered and activated users can see links]
Kết hợp:
HTML Code:
a^n_i
[Only registered and activated users can see links]
Chỉ số trên dưới với nhiều kí tự:
HTML Code:
a^{2007}
[Only registered and activated users can see links]
HTML Code:
a_{20072008}
[Only registered and activated users can see links]
HTML Code:
a^{2007}_{2008}
[Only registered and activated users can see links]
HTML Code:
a_{1}^n+a_2^{n+1}+a_{3}^{n+2}+...+a_{n+1}^{2n}
[Only registered and activated users can see links] D%5E%7Bn+2%7D+...+a_%7Bn+1%7D%5E%7B2n%7D
3. Căn, mũ
Căn bậc 2:
HTML Code:
\sqrt{a}
[Only registered and activated users can see links]
HTML Code:
\sqrt{2007}
[Only registered and activated users can see links]
Căn bậc n:
HTML Code:
\sqrt[n]{A}
[Only registered and activated users can see links]
HTML Code:
\sqrt[2007]{a}
[Only registered and activated users can see links]
Mũ:
HTML Code:
a^n
[Only registered and activated users can see links]
Nhiều kí tự ở phần mũ:
HTML Code:
a^{2007}
[Only registered and activated users can see links]
Kết hợp căn, mũ..v..v:
HTML Code:
\sqrt[2007]{a^{2008}}
[Only registered and activated users can see links]
4. Tổng sigma, tích
Tổng:
HTML Code:
\sum_{i=1}^k a_i^n
[Only registered and activated users can see links]
Tích:
HTML Code:
\prod_{i=1}^{n} a_u^k
[Only registered and activated users can see links]
5. Kí hiệu hình học
Vuông góc
HTML Code:
\perp
[Only registered and activated users can see links]
Song song
HTML Code:
\parallel
[Only registered and activated users can see links]
Kí hiệu góc:
HTML Code:
\hat{ABC}
[Only registered and activated users can see links]
Các bạn chú ý không được cho chữ vào trong cặp thẻ này .
[Only registered and activated users can see links]
[Only registered and activated users can see links]
[Only registered and activated users can see links]
[Only registered and activated users can see links]
Hệ phương trình: [Only registered and activated users can see links]
HTML Code:
\left{\begin{x-y=2}\\{x+y=4
Dấu ngoặc dưới:
[Only registered and activated users can see links] %7D_%7B26%7D
HTML Code:
\large\underbrace{a+b+\cdots+z}_{26}
HTML Code:
Các ví dụ cơ bản:
1. Phân số
HTML Code:
\frac{x+2007}{x+2008}
Ta sẽ được:
[Only registered and activated users can see links]
2. Chỉ số trên dưới
HTML Code:
a_i
[Only registered and activated users can see links]
HTML Code:
a^n
[Only registered and activated users can see links]
Kết hợp:
HTML Code:
a^n_i
[Only registered and activated users can see links]
Chỉ số trên dưới với nhiều kí tự:
HTML Code:
a^{2007}
[Only registered and activated users can see links]
HTML Code:
a_{20072008}
[Only registered and activated users can see links]
HTML Code:
a^{2007}_{2008}
[Only registered and activated users can see links]
HTML Code:
a_{1}^n+a_2^{n+1}+a_{3}^{n+2}+...+a_{n+1}^{2n}
[Only registered and activated users can see links] D%5E%7Bn+2%7D+...+a_%7Bn+1%7D%5E%7B2n%7D
3. Căn, mũ
Căn bậc 2:
HTML Code:
\sqrt{a}
[Only registered and activated users can see links]
HTML Code:
\sqrt{2007}
[Only registered and activated users can see links]
Căn bậc n:
HTML Code:
\sqrt[n]{A}
[Only registered and activated users can see links]
HTML Code:
\sqrt[2007]{a}
[Only registered and activated users can see links]
Mũ:
HTML Code:
a^n
[Only registered and activated users can see links]
Nhiều kí tự ở phần mũ:
HTML Code:
a^{2007}
[Only registered and activated users can see links]
Kết hợp căn, mũ..v..v:
HTML Code:
\sqrt[2007]{a^{2008}}
[Only registered and activated users can see links]
4. Tổng sigma, tích
Tổng:
HTML Code:
\sum_{i=1}^k a_i^n
[Only registered and activated users can see links]
Tích:
HTML Code:
\prod_{i=1}^{n} a_u^k
[Only registered and activated users can see links]
5. Kí hiệu hình học
Vuông góc
HTML Code:
\perp
[Only registered and activated users can see links]
Song song
HTML Code:
\parallel
[Only registered and activated users can see links]
Kí hiệu góc:
HTML Code:
\hat{ABC}
[Only registered and activated users can see links]
Các bạn chú ý không được cho chữ vào trong cặp thẻ này .
[Only registered and activated users can see links]
[Only registered and activated users can see links]
[Only registered and activated users can see links]
[Only registered and activated users can see links]
Hệ phương trình: [Only registered and activated users can see links]
HTML Code:
\left{\begin{x-y=2}\\{x+y=4
Dấu ngoặc dưới:
[Only registered and activated users can see links] %7D_%7B26%7D
HTML Code:
\large\underbrace{a+b+\cdots+z}_{26}