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Thay đổi nội dung bởi: kachia_17, 16-03-2010 lúc 01:42.
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Để thuận tiện cho việt trao đổi thông tin, nội dung và dễ nhìn thì các công thức toán cần được gõ theo mẫu latex định sẵn.
Mọi công thức đều phải đặt trong tag (lệnh):
Mã:
[tex] công thức [/tex]
Một số công thức hay sử dụng
Chú ý:
Để cho nhanh công thức vào tag thì các bạn có thể chọn khối công thức đó và nhấn nút tex ở thanh công cụ của cửa sổ soạn thảo như trên!

1.Các chỉ số trên và dưới : a^n , a_n , C_n^k, log_2(x+3)

Mã:
[tex] a^n , a_n , C_n^k, log_2(x+3)[/tex]
2. Phân số :\frac{x^2+5x +4}{\frac{3}{x}+1}

Code
Mã:
[tex]\frac{x^2+5x +4}{\frac{3}{x}+1}[/tex]
3.Căn thức : \sqrt{2+n} , \sqrt[3]{4+q} , \sqrt[k]{7+13}

Mã:
[tex]\sqrt{2+n} , \sqrt[3]{4+q} , \sqrt[k]{7+13}[/tex]
4.Tổng và tích :  \sum a , \sum\limits_{i=1}^{n} a_i, \pro_{i=1}^kb_1

Mã:
[tex] \sum a ,  \sum\limits_{i=1}^{n} a_i, \pro_{i=1}^kb_1[/tex]
5.Hệ : \left\{ \begin{array}{l} x+\sqrt{y} = 1 \\ x - y^x =3 \end{array} \right.

Mã:
[tex]\left\{  \begin{array}{l}    x+\sqrt{y} = 1 \\    x - y^x =3   \end{array}  \right.[/tex]
6.Giới hạn:  \lim_{x\to 0} f(x)

Mã:
[tex] \lim_{x\to 0} f(x)[/tex]
7.Tích phân : \int\limits_{a}^{b}f(x)dx

Mã:
[tex]\int\limits_{a}^{b}f(x)dx[/tex]
8.Góc :  \hat{A} =60^o, \widehat{ABC}+\widehat{BCA}+\widehat{CAB} = 2\pi

Mã:
[tex] \hat{A} =60^o, \widehat{ABC}+\widehat{BCA}+\widehat{CAB} = 2\pi[/tex]
9.Các quan hệ giữa phần tử :  a = b , a \neq b, a > b, a < b, a \geq b, a \leq b, a \sem b, a \equiv b

Mã:
[tex] a = b , a \neq b, a > b, a < b, a \geq b, a \leq b, a \sem b, a \equiv b[/tex]
10.Quan hệ tập hợp : A \cap B , A \cup C , A \in S , A \notin Z , A \subset T, A \supset N

Mã:
[tex] A \cap B , A  \cup C , A \in S , A  \notin Z , A  \subset T, A  \supset N[/tex]
11. Tổ hợp :{n\choose k}

Mã:
[tex]{n\choose k}[/tex]
12. Gõ dấu các và xuống dòng trong công thức

i,Xuống dòng:  a + x= b \\ b+x=a

Code
Mã:
[tex] a + x= b \\ b+x=a[/tex]
ii,Dấu cách :  a \ \ b \ \ \ \ \ \ \ c

Code
Mã:
[tex] a \ \ b \ \ \ \ \ \ \ c[/tex]
13. Gõ gạch đầu và gạch chân: \overline{ab} ; \underline{ab}

Code:
Mã:
[tex] \overline{ab}; underline{CD}[/tex]
Chú ý: Không thể chèn được nhiều chữ liền nhau trong công thức toán học ( khi hiển thị sẽ bị lối ).
Nếu muốn gõ kèm chữ trong công thức bạn có thể gõ như sau :

Code
Mã:
[tex] \text{Xet ham so }\ \ \  f(x) = \sqrt{3+x^2} + log_3x + sin(\pi +x)[/tex]
Sẽ được
\text{Xet ham so}\ \ \ f(x) = \sqrt{3+x^2} + log_3x + sin(\pi +x)

Thay đổi nội dung bởi: kachia_17, 24-07-2009 lúc 00:44. Lý do: Lỗi công thức; kachia:tắt sign
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\Leftrightarrow ,  \Leftrightarrow

Mã:
[tex]\Leftrightarrow ,  \Leftrightarrow [/tex]
\exists ,  \exists

Code:
Mã:
[tex]\exists ,  \exists[/tex]

Thay đổi nội dung bởi: kachia_17, 24-07-2009 lúc 01:11. Lý do: latex
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011121, 0973573959thuy, 0owindo0, 0vietsang0, 123456auauau, 123ntht123, 17912, 24031993, 40phamkinhvy, abcdey, abumousy, acquynoithienduong_td_1690, ailatrieuphu, along0, amy099, an1904, ananh, anhchanghaohoa91, anhdung0512, anhdung12, anhthulove1999, anhtraj_no1, anhvip1304, anhvodoi94, anpha_gemini, apple_red, arrigato, asdasdasdsh, b3sanco1212121, babiecat, baby9x8, baby_1995, badboy_love_kutegirl, bakugancroll1, balep, barbie_girl_1996, bason, bbvipygno1, bebobanbibangbang, believe_try, bella.princess04, beyeu1994, bilovepony_1995, bim198, binbon249, biopro, blackcandy2, bluesky_hl93, boconganh97, bombu, bongxu_9x, boo_happy, boy9xvuive, boynghean_190498, boyvif, bo_chan_98, bumbumchat, butchihamhoc, c0_p3_dang_iu, c9002, callalily, camambay01, camehoangtu, candyxbaby, caroline_097, cattrang2601, caybutthanki, celebi97, chaobannhe, charm_angel, chaublu, chihocmathoi_94, chinhngocpro, chinh_van_loi, chiphung215, chomalina, chomotngaynang98, chopper9x, city_tosy, class_9x, clinhc, cobababy0000, cobedentugiacmobian, cobekieuky_9x, cobonla_1996, conan99, conchovanghp, congchuahoabinh1994, congchua_phepthuat, co_be_dau_tay_bmt_17, co_chu_nko, cuccuong, cucumber52, cunconhne1195, cuncon_baby, daicalam, dainamtq, daodung28, dark_hero96, dcariem96, ddo1995, deltano.1, dethuongqua, diep_2802, dinhkhanhtrung, dinhlamduc, dinhnam9f, dinhthimai9x, dinh_cao_t123, djbirurn9x, dngoc123, docongvang, doianhbanmuoi, dojzin0611, dominhphuc, donggetau1993, doreamonhihi, dothithuyhang_0992, dotriduong, do_re_mi_a8, dragonsquaddd, duc2101, dungmaprose, dung_tap_nhay, duonghongsonmeo, duongtheluong, duylinh99, dxh94, emkobit98, emtrongmattoi97, emtrongmattoi99, fallwater_13, fat.cricket, final_fantasy_vii, flora_quynh_anh, forever_aloner_95, frorenxxx1@gmail.com, fuck_you_98, fulful, g.oni, gacon0978, garethbale96, giapvinh, goodfriend138, googlekame, greatidea, greenglobal, greentuananh, hackgn, haidang96, halinh_33, halo_vip, hana_andy, hanhdungpro, hanhduong28, happykid, hardyboywwe, harrypotter1995, haudauhy, havanthanhembe, ha_nb_9x, he0coi98, heavestmoon, hg201td, hhno2, hieubik_ls_no1, hihihaha111, hinatabeauti, hinhthao2, hitman1591994, hoahuongduong50, hoai98, hoaivippro, hoang.tien.anh, hoangdaikpro, hoanglegiaphu, hoangoclan_99, hoatuli, hocsinhchankinh, hongnhung.97, hongquyen7c, hungson1996, hungtybg, huulong_26, huutoan00, huyendan93, huyngoca10, huynhtantrung, h_truong01, iclinguyen, ILoveNicholasTeo, inujasa, ironman3_95, i_am_hcl, i_love_u_forever, james_hook, jerusalem, jnkon.kiss, jolly.kuku94, juka_1994, jullymiu34, ka1011, kaka0000ka, kakashi_hatake, kaka_acmabenem, kally_05, kalmarv, kamawasi, katoriitto, kax_kute, kemmybun_love_love_love, ken25, ken_2193, ketbannhe, kethien93, kethongtri, key_bimat, khanguyen9, khanh846, khanhhotboy98, khanhly812, khanhmup, khanhpro113, khatrungan, khoacoi16, khoavip1, kien200200, kimphuong43kd, kino_123, kitsudo1412, kjrjku123, kkcat0123@gmail.com, kpopno1, kukumalu_2010, kungfupanda1994, kunkait, 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mr.hoangteo, mrbap_97, mrdinh1995, mrkinhcan, mr_cross_fire, mr_l0n3ly, mychau_128, mylinh998, mystory, namdang93, namnam6a3, namsonquyen, neyiahel, nghgh97, nghoang97, ngocanh8897, ngoclan97, ngocphuong23, ngocthao1995, ngoisaotrongmua_010893, ngontaylua, nguyehuuhuy14112000, nguyen2000kh, nguyengiahoa10, nguyenhoa171, nguyenhuyhie, nguyensykhuongduy, nguyenthiphap96, nguyentkao98, nguyenvipa1, nh0cluz_hamchoi, nh0xbabywan, nhangbai, nhansieu97, nhanvip2, nhatanh8x, nhatkytuoiteen, nhattien113, nhatvy2606, nhimxinh148, nhocconyeugau, nhockthongay_girlkute, nhocphuc_pro, nhoc_surita, nhokdangyeu01, nhokfullll, nhoksock123, nhomluyenthi, nhonct, nhung5407, nhuquyen44, nln_rw, nobita_love_xuka_2405, nofile_186, nunakute7, ohmygod1999vn, okiebum, olympuslord, panda_funny, peidoi_1999, pelehang, pemivip, petercech, pety_ngu, pexjkxjkp, phamconuong95, phamducanhday, phananhbong, phankyanh2000, phantomkid1412, pha_96, phucvt2011, phuongmon, phuongthuy_tx, phuong_binhtan, phuphu123, 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thoheot7_93, tholauthongminh99, thong1990nd, thongminhchamchi, thonguyen255, thucuc_kute, thuha193, thuha_13684, thuhuongnguyen, thuyen308, thuyhien_1997, thuylinh_mk_95, thuyluvkem, thuynga.style74, thuyngoclinh, thuy_ngan_999, tichuot124, tienanh789, tiendatsc, tieuphongkaka, tinhyeu_kdongian, tinker.royal, tkthuydung2, tmb12, toanhocvuive, toanno1, tomandjerry789, traionline9999, trangbu99, tranghh4, trangyou, tranlephong, tranquang, trieupy123, trinetlx, trungcxht, trungduc2009, truonghandan0210, tryfighting, try_mybest, tsubasashana, tuanhiepga, tuannambt, tuanstung, tun.lady, tuntun301, tuoiga12, tuyenk13a, tuyn, vananh03qt, vandung93, vatlytnt, vengata, verychemgio, vietkhanh98, viettb_tb, viet_tranmaininh, vin_loptin, violet2903, vip4ever_angel98, vip_boy_hp_9x, vitcon10, vitconcatinh_foreverloveyou, vjpst1995, vodacloc95, vodoisever2000, vppro_97, vstevenphan, vuduyhungchuot, vumiinhanh11, vuquynhthuhatinh, vu_hoang_anh, x358vungtau, xuankhuongpro, xuantungaut2t, xvietvnn, xxquayhetcoxx, yami_kut3, yolkstar, ytvn, yubin_cute, yuki0034vn, yukju, yumi_26, yunjaecouple_jaeno1, yurihoa, zac7777, zackfair, zakumi_2010, zmickyez, _iniesta_
  #4  
Cũ 28-06-2007
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Các kiểu chữ cái:

\mathrm{ABCxyz}

Mã:
[tex]\mathrm{ABCxyz}[/tex]
\mathit{ABCxyz}

Mã:
[tex] \mathit{ABCxyz}[/tex]
\mathcal{ABCxyz}

Mã:
[tex]\mathcal{ABC}[/tex]
\mathbb{ABCNZR}

Mã:
[tex] \mathbb{ABCNZR}[/tex]
\mathscr{ABC}

Mã:
[tex]\mathscr{ABC}[/tex]

Thay đổi nội dung bởi: kachia_17, 24-07-2009 lúc 00:43. Lý do: Thay code
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cutiqb, dainamtq, darkness_baron, dcariem96, ddo1995, deltano.1, diep_2802, dinhkhanhtrung, dinhnam9f, dinhthimai9x, djbirurn9x, dngoc123, doianhbanmuoi, dojzin0611, dominhphuc, donggetau1993, dothithuyhang_0992, dotriduong, do_re_mi_a8, dragonsquaddd, duc2101, duccutyblhp, dunghiep1416, dung_tap_nhay, duonghongsonmeo, duongtheluong, duylinh99, dxh94, emkobit98, emtrongmattoi97, emtrongmattoi99, fat.cricket, final_fantasy_vii, firedragon77, flora_quynh_anh, frorenxxx1@gmail.com, fujchan, fulful, g.oni, gacon.linh93, gacon0978, giangln.thanglong11a6, giapvinh, goodfriend138, googlekame, greentuananh, hackgn, haidang96, haihaangel, halo_vip, hana_andy, hanhduong28, happykid, harrypotter1995, havanthanhembe, ha_nb_9x, he0coi98, heavestmoon, hellojadoo, hg201td, hieubik_ls_no1, hihihaha111, hinatabeauti, hinhthao2, hitman1591994, hoahuongduong50, hoahuongduong633, hoai98, hoaivippro, hoanglegiaphu, hoangoclan_99, hoangphunghia, hoangviet19, hoang_hi, hoatuli, hocsinhchankinh, hongnhung.97, 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nhokfullll, nhoksock123, nhoktsukune, nhomluyenthi, nhonct, nhung5407, nhuquyen44, nickmoilap, nln_rw, nobita_love_xuka_2405, nofile_186, nowaki, npnhoang, nuthantuyet1311992, ohmygod1999vn, okiebum, oliverwooddeptrai, olympuslord, pat_thatsme, peidoi_1999, pelehang, pemivip, petercech, pety_ngu, pexjkxjkp, phamconuong95, phananhbong, phankyanh2000, phantomkid1412, pha_96, phdung_92, phuong_binhtan, phuphu123, phuthuytocnau_00, physics123, pidevil, pilovepony, pinkgerm, pinw, pipilove_khanh_huyen, plovem123, pororo_rocket, prince_keke, proboy31, protankhai, pumpkinappa, qrafzv, quanmai1271997, quocchung0023, quockhai1998, quocthai62, quocthang2008, quyan, quynhsieunhan, r0ngb13n, rayquazapkm, reaper8060, rimmi, rongdovip9x, ruoi_9x, ryeohuyen, ryoku_96, saltemo, sandy_26, sasukecoldly, sau_mup, seesky, selena9899, sergeant, singlefailure, smiletoday_1512, soinhocodon, son193, southkid, spelto, spetrelk, ss501handsomecucki, stardustdragon, starfish_blue_sea, starjewel271, stork_pro, 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  #5  
Cũ 28-06-2007
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\fbox{www.hocmai.vn}
Mã:
[tex]\fbox{www.hocmai.vn}[/tex]
\Large\longrightarrow_{\text{www.hocmai.vn}}

Mã:
[tex]\Large\leftarrow^{\text{www.hocmai.vn}}[/tex]
\Large\longrightarrow^{\text{www.hocmai.vn}}

Mã:
[tex]\Large\longrightarrow^{\text{www.hocmai.vn}}[/tex]

  1. \alpha
  2. \beta
  3. \gamma
  4. \delta
  5. \epsilon
  6. \varepsilon
  7. \zeta
  8. \eta
  9. \theta
  10. \vartheta
  11. \iota
  12. \kappa
  13. \lambda
  14. \mu
  15. \nu
  16. \xi
  17.  o
  18. \oi
  19. \pi
  20. \varpi
  21. \rho
  22. \varrho
  23. \sigma
  24. \varsigma
  25. \tau
  26. \upsilon
  27. \phi
  28. \varphi
  29. \chi
  30. \psi
  31. \omega

Lần lượt là
Mã:
1.[tex]\alpha[/tex]
2.[tex]\beta[/tex]
3.[tex]\gamma[/tex]
4.[tex]\delta[/tex]
5.[tex]\epsilon[/tex]
6.[tex]\varepsilon[/tex]
7.[tex]\zeta[/tex]
8.[tex]\eta[/tex]
9.[tex]\theta[/tex]
10.[tex]\vartheta[/tex]
11.[tex]\iota[/tex]
12.[tex]\kappa[/tex]
13.[tex]\lambda[/tex]
14.[tex]\mu[/tex]
15.[tex]\nu[/tex]
16.[tex]\xi[/tex]
17.[tex] o[/tex]
18.[tex]\oi[/tex]
19.[tex]\pi[/tex]
20.[tex]\varpi[/tex]
21.[tex]\rho[/tex]
22.[tex]\varrho[/tex]
23.[tex]\sigma[/tex]
24.[tex]\varsigma[/tex]
25.[tex]\tau[/tex]
26.[tex]\upsilon[/tex]
27.[tex]\phi[/tex]
28.[tex]\varphi[/tex]
29.[tex]\chi[/tex]
30.[tex]\psi[/tex]
31.[tex]\omega[/tex]

Thay đổi nội dung bởi: kachia_17, 24-07-2009 lúc 01:08. Lý do: thay code
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