亲爱的父母邦---保加利亚不等式欣赏
标签:
不等式传播 |
分类: 奥赛 |
c6h1318224p7091669
1997
你是人间天堂
你的神采
你的美丽
永远放光芒
Bulgaria 1997; Old and New
Inequalities (both times the proposed solution is brute
force)
Bulgarian
IMO TST 2004, Day 4, Problem 2
∑(a²/(b+c²))>1/2
( Bulgaria 2003)
Bulgarian
Olympiad, 2nd round 9th grade 2004
Bulgarian
TST1/2006 Problem 5
Bulgarian
TST 2007 for Balkan MO and ARO, II day Problem 3
Bulgarian
TST 2007 P5
http://www.artofproblemsolving.com/community/c6h1196446p58605
41
borislav_mirc
2012、2010保加利亚数学奥林匹克不等式题很有新意
http://artofproblemsolving.com/community/c6h342367p183134555
http://www.artofproblemsolving.com/community/c6h1160810p5525391
c6h1344193p7312528
1. 已知http://data.artofproblemsolving.com/images/latex/d/7/6/d7609865020abbeddea362f6aa3fcacff5cd1c01.gif的正数.
求证http://data.artofproblemsolving.com/images/latex/f/7/e/f7ee5699d9351c59d22425398ff36b3e422af83d.gif
2.
已知 http://data.artofproblemsolving.com/images/latex/0/1/d/01d68cf6b01982d59a6ac8bcd2d90467cad0e452.gif,
求证 http://data.artofproblemsolving.com/images/latex/5/8/1/581cc9379e45b72bc5d50ccfdb6e446e3c5b7930.gif
3. 已知 http://data.artofproblemsolving.com/images/latex/b/3/c/b3c367b0877f9ac4008424b9d24164b12228c8b1.gif
4. 已知http://data.artofproblemsolving.com/images/latex/f/e/5/fe50908fc4996fa834d26e97fae39abd04bb27fa.gif.
求证 http://data.artofproblemsolving.com/images/latex/b/6/3/b639ac31dc2bbccf13acb7c0f055657d4a618464.gif.
5. 已知 http://data.artofproblemsolving.com/images/latex/2/8/6/28621713f2a87ee27accc40579dde793957b152e.gif
6. 已知整数 http://data.artofproblemsolving.com/images/latex/9/d/8/9d8f89d34e526b8ddb9bc153bf1e92563e6183c0.gif .
求最大常数 http://data.artofproblemsolving.com/images/latex/0/2/4/0242288ab38f058ff780e9c51475b3830237ca69.gif
7. 已知 http://data.artofproblemsolving.com/images/latex/f/3/6/f361252e1f544c98eaca830b945acb7b05d05e8f.gif的实数.
求证 http://data.artofproblemsolving.com/images/latex/6/0/4/604528e00c69f1cfd0f2304cdc797316e14c665e.gif.
8. Let http://data.artofproblemsolving.com/images/latex/d/1/8/d1854cae891ec7b29161ccaf79a24b00c274bdaa.gif be
a fixed natural number. Find all natural
numbers http://data.artofproblemsolving.com/images/latex/6/b/0/6b0d31c0d563223024da45691584643ac78c96e8.gif for
which http://data.artofproblemsolving.com/images/latex/4/d/5/4d50a88a02858376f4892cdf6cbf20eaf20d177d.gif is
satisfied for every two positive
numbers http://data.artofproblemsolving.com/images/latex/e/9/d/e9d71f5ee7c92d6dc9e92ffdad17b8bd49418f98.gif with
sum equal to http://data.artofproblemsolving.com/images/latex/d/a/4/da4b9237bacccdf19c0760cab7aec4a8359010b0.gif.
Bulgarian
MO 2008
Bulgarian TST inequality.
[2010]
Bulgarian
BOM TST day 2
9. 已知 http://data.artofproblemsolving.com/images/latex/3/1/0/310374aad4f94fbb392f2bb07d930165a8398ee0.gif
10. Let http://data.artofproblemsolving.com/images/latex/9/c/a/9caa91157421e243281346b0bf7a82b5200e67e2.gif be
sides of a triangle. Prove that: http://data.artofproblemsolving.com/images/latex/c/f/d/cfd5090a2f862ac347a2ffee64cdcbf25ecc376b.gif

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