急求初一数学奥数题。

\u521d\u4e00\u6570\u5b66\u5965\u6570\u9898

\u6210\u8fbe\u676f\u6570\u5b66\u7ade\u8d5b\u521d\u8d5b\uff08\u4e8c\uff09
\u4e00\u3001\u586b\u7a7a\u9898\uff1a\uff08\u6bcf\u5c0f\u98985\u5206\uff0c\u517150\u5206\uff09
1\u3001\u8ba1\u7b97\uff1a
\uff081\uff09125\u00d7888\uff1d___________\uff1b
\uff082\uff09\uff1d___________\u3002
2\u3001\u628a\u7528\u201c\uff1c\u201d\u8fde\u63a5\u8d77\u6765\uff1a________________\u3002
3\u3001\u4e0b\u9762\u6709\u4e24\u4e32\u6309\u67d0\u79cd\u89c4\u5f8b\u6392\u5217\u7684\u6570\uff0c\u8bf7\u6309\u89c4\u5f8b\u586b\u4e0a\u7a7a\u7f3a\u7684\u6570\u3002
\uff081\uff09\uff08\uff09\uff1b
\uff082\uff0915\uff0c20\uff0c10\uff0c\uff08\uff09\uff0c5\uff0c30\uff0c\uff08\uff09\uff0c35\u3002
4\u3001\u6709\u7532\u3001\u4e59\u3001\u4e19\u4e09\u4e2a\u6570\uff0c\u5df2\u77e5\u7532\u3001\u4e59\uff1b\u4e59\u3001\u4e19\uff1b\u4e19\u3001\u7532\u4e24\u6570\u7684\u5e73\u5747\u6570\u5206\u522b\u4e3a40\u300146\u300143\uff0c\u90a3\u4e48\u7532\u3001\u4e59\u3001\u4e19\u4e09\u4e2a\u6570\u7684\u5e73\u5747\u6570\u662f___________\u3002
5\u3001\u4e0b\u8fb9\u7684\u52a0\u6cd5\u7ad6\u5f0f\u7684\u7533\u3001\u529e\u3001\u5965\u3001\u8fd0\u56db\u4e2a\u6c49\u5b57\uff0c\u5206\u522b\u4ee3\u8868\u56db\u4e2a\u4e0d\u540c\u7684\u6570\u5b57\uff0c\u8bf7\u95ee\uff1a\u7533\u529e\u5965\u8fd0\u5206\u522b\u4e3a\u4f55\u6570\u5b57\u65f6\u7b97\u5f0f\u6210\u7acb\u3002\u7533\uff1d______\uff1b\u529e\uff1d______\uff1b\u5965\uff1d______\uff1b\u8fd0\uff1d______\u3002
6\u3001\u7532\u73ed\u6709\u5b66\u751f48\u4eba\uff0c\u5176\u4e2d1/2\u662f\u5973\u751f\uff1b\u4e59\u73ed\u6709\u5b66\u751f45\u4eba\uff0c\u5176\u4e2d1/3\u662f\u5973\u751f\uff0c\u90a3\u4e48\u4e24\u73ed\u7684\u7537\u751f\u5171\u6709_______\u4eba\u3002
7\u3001\u914d\u7f6e3\uff05\u7684\u8461\u8404\u7cd650\u5343\u514b\uff0c\u9700\u89811\uff05\u4e0e6\uff05\u7684\u8461\u8404\u7cd6\u5206\u522b\u4e3a______\u5343\u514b\u3001______\u5343\u514b\u3002
8\u3001\u4e94\u4e2a\u4eba\u90fd\u5c5e\u9f99\uff0c\u4ed6\u4eec\u5c81\u6570\u7684\u4e58\u79ef\u662f589225\uff0c\u8fd9\u4e94\u4e2a\u4eba\u7684\u5c81\u6570\u548c\u662f__________\u3002
9\u3001\u52a0\u5de5\u4e00\u6279\u96f6\u4ef6\uff0c\u5982\u679c\u5e08\u5085\u5148\u52a0\u5de520\u5929\u540e\uff0c\u5269\u4e0b\u7684\u7531\u5f92\u5f1f\u518d\u52a0\u5de530\u5929\u6b63\u597d\u5b8c\u6210\uff1b\u5982\u679c\u5f92\u5f1f\u5148\u52a0\u5de537\u5929\uff0c\u5269\u4e0b\u7684\u7531\u5e08\u5085\u518d\u52a0\u5de517\u5929\u4e5f\u6b63\u597d\u5b8c\u6210\u3002\u73b0\u5728\u5e08\u5085\u3001\u5f92\u5f1f\u4e00\u8d77\u52a0\u5de5\u82e5\u5e72\u5929\u540e\uff0c\u5269\u4e0b\u7684\u7531\u5f92\u5f1f\u518d\u52a0\u5de540\u5929\u6b63\u597d\u5b8c\u6210\u3002\u95ee\uff1a\u5e08\u5085\u548c\u5f92\u5f1f\u4e00\u8d77\u52a0\u5de5\u4e86_______\u5929\u3002
10\u3001\u7528\u4e24\u4e2a\u540c\u6837\u957f3\u5398\u7c73\uff0c\u5bbd2\u5398\u7c73\uff0c\u9ad81\u5398\u7c73\u7684\u957f\u65b9\u4f53\uff0c\u62fc\u6210\u4e00\u4e2a\u5927\u957f\u65b9\u4f53\uff0c\u5b83\u7684\u8868\u9762\u79ef\u6700\u5927\u662f________\u5e73\u65b9\u5398\u7c73\u3002\uff08\u5373cm2\uff09
\u4e8c\u3001\u7efc\u5408\u9898\uff1a\uff08\u6bcf\u5c0f\u98986\u5206\uff0c\u517130\u5206\uff09
1\u3001\u67d0\u5546\u5e97\u8d2d\u4e70\u5c0f\u72d7\u548c\u5c0f\u718a\u73a9\u5177\u517180\u53ea\uff0c\u5df2\u5356\u51fa\u5c0f\u72d7\u53ea\u6570\u76841/5\uff0c\u5c0f\u718a\u53ea\u6570\u76842/3\uff0c\u5171\u8ba130\u53ea\u3002\u8d2d\u8fdb\u5c0f\u72d7\u548c\u5c0f\u718a\u7684\u53ea\u6570\u5206\u522b\u4e3a\u591a\u5c11\u53ea\uff1f
2\u3001\u6709\u4e00\u672c\u4e66\uff0c\u5982\u679c\u7b2c\u4e00\u5929\u8bfb35\u9875\uff0c\u4ee5\u540e\u6bcf\u5929\u90fd\u6bd4\u524d\u4e00\u5929\u591a\u8bfb5\u9875\uff0c\u7ed3\u679c\u6700\u540e\u4e00\u5929\u53ea\u8bfb35\u9875\uff0c\u5c31\u8bfb\u5b8c\u4e86\uff1b\u8fd8\u662f\u8fd9\u672c\u4e66\uff0c\u5982\u679c\u7b2c\u4e00\u5929\u8bfb45\u9875\uff0c\u4ee5\u540e\u6bcf\u5929\u90fd\u6bd4\u524d\u4e00\u5929\u591a\u8bfb5\u9875\uff0c\u7ed3\u679c\u6700\u540e\u4e00\u5929\u53ea\u8bfb40\u9875\u4e5f\u8bfb\u5b8c\u4e86\u3002\u95ee\uff1a\u8fd9\u672c\u4e66\u6709\u591a\u5c11\u9875\uff1f
3\u3001\u5c06\u4e00\u4e2a\u8868\u9762\u662f\u7ea2\u8272\u7684\u957f\u65b9\u4f53\uff083\u00d74\u00d75\uff09\uff0c\u5207\u6210\u82e5\u5e72\u4e2a1\u00d71\u00d71\u7684\u5c0f\u7acb\u65b9\u4f53\uff0c\u95ee\u8868\u9762\u4e2d\u53ea\u6709\u4e00\u9762\u662f\u7ea2\u8272\u7684\u5c0f\u7acb\u65b9\u4f53\u548c\u8868\u9762\u4e2d\u6ca1\u6709\u7ea2\u8272\u7684\u5c0f\u7acb\u65b9\u4f53\u5404\u6709\u591a\u5c11\u5757\uff1f
4\u3001\u6709\u7ea2\u3001\u9ec4\u3001\u84dd\u3001\u767d\u3001\u7d2b\u4e94\u79cd\u989c\u8272\u73e0\u5b50\u5404\u4e00\u9897\uff0c\u5206\u522b\u653e\u5728\u7f16\u53f7\u4e3a1\u30012\u30013\u30014\u30015\u53f7\u7684\u4e94\u53ea\u7bb1\u5185\uff0cA\u3001B\u3001C\u3001D\u3001E\u4e94\u4eba\u7684\u731c\u60f3\u7ed3\u679c\u5982\u4e0b\uff1a
A\uff1a2\u53f7\u5185\u88c5\u7d2b\u8272\u73e0\u5b50\uff0c3\u53f7\u5185\u88c5\u9ec4\u8272\u73e0\u5b50\u3002
B\uff1a2\u53f7\u5185\u88c5\u84dd\u8272\u73e0\u5b50\uff0c4\u53f7\u5185\u88c5\u7ea2\u8272\u73e0\u5b50\u3002
C\uff1a1\u53f7\u5185\u88c5\u7ea2\u8272\u73e0\u5b50\uff0c5\u53f7\u5185\u88c5\u767d\u8272\u73e0\u5b50\u3002
D\uff1a3\u53f7\u5185\u88c5\u84dd\u8272\u73e0\u5b50\uff0c4\u53f7\u5185\u88c5\u767d\u8272\u73e0\u5b50\u3002
E\uff1a2\u53f7\u5185\u88c5\u9ec4\u8272\u73e0\u5b50\uff0c5\u53f7\u5185\u88c5\u7d2b\u8272\u73e0\u5b50\u3002
\u7ed3\u679c\u6bcf\u4eba\u90fd\u731c\u5bf9\u4e86\u4e00\u79cd\uff0c\u6bcf\u7bb1\u4e5f\u53ea\u6709\u4e00\u4eba\u731c\u5bf9\uff0cA\u3001B\u3001C\u3001D\u3001E\u5404\u731c\u5bf9\u7684\u73e0\u5b50\u7684\u989c\u8272\u5206\u522b\u4e3a\u4ec0\u4e48\u989c\u8272\uff1f
\u4e00\uff0e\u9009\u62e9\u9898\uff08\u4ee5\u4e0b\u6bcf\u9898\u7684\u56db\u4e2a\u9009\u62e9\u4e2d\uff0c\u4ec5\u6709\u4e00\u4e2a\u662f\u6b63\u786e\u7684\uff09
1\uff0e\uff0d7\u7684\u7edd\u5bf9\u503c\u662f\uff08\uff09
\uff08A\uff09\uff0d7\uff08B\uff097\uff08C\uff09\uff0d\uff08D\uff09
2\uff0e1999\uff0d\u7684\u503c\u7b49\u4e8e\uff08\uff09
\uff08A\uff09\uff0d2001\uff08B\uff091997\uff08C\uff092001\uff08D\uff091999
3\uff0e\u4e0b\u9762\u67094\u4e2a\u547d\u9898\uff1a
\u2460\u5b58\u5728\u5e76\u4e14\u53ea\u5b58\u5728\u4e00\u4e2a\u6b63\u6574\u6570\u548c\u5b83\u7684\u76f8\u53cd\u6570\u76f8\u540c\u3002
\u2461\u5b58\u5728\u5e76\u4e14\u53ea\u5b58\u5728\u4e00\u4e2a\u6709\u7406\u6570\u548c\u5b83\u7684\u76f8\u53cd\u6570\u76f8\u540c\u3002
\u2462\u5b58\u5728\u5e76\u4e14\u53ea\u5b58\u5728\u4e00\u4e2a\u6b63\u6574\u6570\u548c\u5b83\u7684\u5012\u6570\u76f8\u540c\u3002
\u2463\u5b58\u5728\u5e76\u4e14\u53ea\u5b58\u5728\u4e00\u4e2a\u6709\u7406\u6570\u548c\u5b83\u7684\u5012\u6570\u76f8\u540c\u3002
\u5176\u4e2d\u6b63\u786e\u7684\u547d\u9898\u662f\uff1a\uff08\uff09
\uff08A\uff09\u2460\u548c\u2461\uff08B\uff09\u2461\u548c\u2462
\uff08C\uff09\u2462\u548c\u2463\uff08D\uff09\u2463\u548c\u2460
4.4abc\u7684\u540c\u7c7b\u9879\u662f\uff08\uff09
\uff08A\uff094bca\uff08B\uff094cab\uff08C\uff09acb\uff08D\uff09acb
5\uff0e\u67d0\u5de5\u5382\u4e03\u6708\u4efd\u751f\u4ea7\u67d0\u4ea7\u54c1\u7684\u4ea7\u91cf\u6bd4\u516d\u6708\u4efd\u51cf\u5c11\u4e8620\uff05\uff0c\u82e5\u516b\u6708\u4efd\u4ea7\u54c1\u8981\u8fbe\u5230\u516d\u6708\u4efd\u7684\u4ea7\u91cf\uff0c\u5219\u516b\u6708\u4efd\u7684\u4ea7\u91cf\u6bd4\u4e03\u6708\u4efd\u8981\u589e\u52a0\uff08\uff09
\uff08A\uff0920\uff05\uff08B\uff0925\uff05\uff08C\uff0980\uff05\uff08D\uff0975\uff05
6\uff0e\uff0c\uff0c\uff0c\u56db\u4e2a\u6570\u4e2d\uff0c\u4e0e\u7684\u5dee\u7684\u7edd\u5bf9\u503c\u6700\u5c0f\u7684\u6570\u662f\uff08\uff09
\uff08A\uff09\uff08B\uff09\uff08C\uff09\uff08D\uff09
7\uff0e\u5982\u679cx=\u2015,Y=0.5,\u90a3\u4e48X\u2015Y\u2015­­­­­­­2X\u7684\u503c\u662f()
(A)0(B)(C)(D)\u2015
8.ax+b=0\u548cmx+n=0\u5173\u4e8e\u672a\u77e5\u6570x\u7684\u540c\u89e3\u65b9\u7a0b\uff0c\u5219\u6709\uff08\uff09
\uff08A\uff09a+m>0.\uff08B\uff09mb\u2265an.
\uff08C\uff09mb\u2264an.\uff08D\uff09mb=an.
9\uff0e\uff08\uff0d1\uff09\uff0b\uff08\uff0d1\uff09\uff0d\uff08\uff0d1\uff09\u00d7\uff08\uff0d1\uff09\u00f7\uff08\uff0d1\uff09\u7684\u7ed3\u679c\u662f\uff08\uff09
\uff08A\uff09\uff0d1\uff08B\uff091\uff08C\uff090\uff08D\uff092
10\uff0e\u4e0b\u5217\u8fd0\u7b97\u4e2d\uff0c\u9519\u8bef\u7684\u662f\uff08\uff09
\uff08A\uff092X\uff0b3X\uff1d5X\uff08B\uff092X\uff0d3X\uff1d\uff0d1
\uff08C\uff092X\u00b73X\uff1d6X\uff08D\uff092X\u00f74X\uff1d
11\uff0e\u5df2\u77e5a<0,\u5316\u7b80\uff0c\u5f97()
(A)2(B)1(C)0(D)\uff0d2
12\uff0e\u8ba1\u7b97\uff08\uff0d1\uff09\uff0b\uff08\uff0d1\uff09\u00f7|\uff0d1|\u7684\u7ed3\u679c\u662f\uff08\uff09
\uff08A\uff090\uff08B\uff091\uff08C\uff09\uff0d1\uff08D\uff092
13\uff0e\u4e0b\u5217\u5f0f\u5b50\u4e2d\uff0c\u6b63\u786e\u7684\u662f\uff08\uff09
\uff08A\uff09a\u00b7a=a.\uff08B\uff09(x)=x.
\uff08C\uff093=9.\uff08D\uff093b\u00b73c=9bc.
14.\uff0d|\uff0d3|\u7684\u76f8\u53cd\u6570\u7684\u8d1f\u5012\u6570\u662f\uff08\uff09
\uff08A\uff09\uff0d\uff08B\uff09\uff08C\uff09\uff0d3\uff08D\uff093
15\uff0e\u5341\u6708\u4e00\u65e5\u4eb2\u670b\u805a\u4f1a\uff0c\u5c0f\u660e\u7edf\u8ba1\u5927\u5bb6\u7684\u5e73\u5747\u5e74\u9f84\u6070\u662f38\u5c81\uff0c\u8001\u7237\u7237\u8bf4\uff0c\u4e24\u5e74\u524d\u7684\u5341\u6708\u4e00\u65e5\u4e5f\u662f\u8fd9\u4e9b\u4eba\u76f8\u805a\uff0c\u90a3\u4e48\u4e24\u5e74\u524d\u76f8\u805a\u65f6\u5927\u5bb6\u7684\u5e73\u5747\u5e74\u9f84\u662f\uff08\uff09\u5c81\u3002
\uff08A\uff0938\uff08B\uff0937\uff08C\uff0936\uff08D\uff0935
16\uff0e\u82e5a<0,\u52194a+7|a|\u7b49\u4e8e()
(A)11a(B)\uff0d11a(C)\uff0d3a(D)3a
17\uff0e\u82e5\u6709\u7406\u6570x.y\u6ee1\u8db3|2x-1|+(y+2)\uff1d0\uff0c\u5219x.y\u7684\u503c\u7b49\u4e8e\uff08\uff09
\uff08A\uff09\uff0d1\uff08B\uff091\uff08C\uff09\uff0d2\uff08D\uff092
18\uff0e\u6709\u7406\u6570a,b,c\u5728\u6570\u8f74\u4e0a\u5bf9\u5e94\u7684\u70b9\u5982\u56fe\u6240\u793a\uff1a\u5219\u4e0b\u9762\u5f0f\u5b50\u4e2d\u6b63\u786e\u7684\u662f\uff08\uff09
\uff08A\uff09c+b>a+b.(C)ac>ab
(B)cbab
19\uff0e\u4e0d\u7b49\u5f0f<1\u7684\u6b63\u6574\u6570\u89e3\u6709\uff08\uff09\u4e2a\u3002
\uff08A\uff092\uff08B\uff093\uff08C\uff094\uff08D\uff095
20\uff0e\u67d0\u8ba1\u7b97\u673a\u7cfb\u7edf\u5728\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u6267\u884c\u4e00\u9879\u4efb\u52a1\uff0c\u4e14\u5b8c\u6210\u8be5\u4efb\u52a1\u540e\u624d\u80fd\u6267\u884c\u4e0b\u4e00\u9879\u4efb\u52a1\uff0c\u73b0\u6709U\uff0cV\uff0cW\u7684\u65f6\u95f4\u5206\u522b\u4e3a10\u79d2\uff0c2\u5206\u548c15\u5206\uff0c\u4e00\u9879\u4efb\u52a1\u7684\u76f8\u5bf9\u7b49\u5f85\u65f6\u95f4\u4e3a\u63d0\u4ea4\u4efb\u52a1\u5230\u5b8c\u6210\u8be5\u4efb\u52a1\u7684\u65f6\u95f4\u4e0e\u8ba1\u7b97\u673a\u7cfb\u7edf\u6267\u884c\u8be5\u4efb\u52a1\u7684\u65f6\u95f4\u4e4b\u6bd4\uff0c\u5219\u4e0b\u9762\u56db\u79cd\u6267\u884c\u987a\u5e8f\u4e2d\u4f7f\u4e09\u9879\u4efb\u52a1\u76f8\u5bf9\u7b49\u5019\u65f6\u95f4\u4e4b\u548c\u6700\u5c0f\u7684\u6267\u884c\u662f\uff08\uff09\u3002
\uff08A\uff09U\uff0cV\uff0cW\uff0e\uff08B\uff09V\uff0cW\uff0cU
\uff08C\uff09W\uff0cU\uff0cV\uff0e\uff08D\uff09U\uff0cW\uff0cV
21\uff0e\u5982\u56fe\uff0c\u7ebf\u6bb5AD\uff0cAB\uff0cBC\u548cEF\u7684\u957f\u5206\u522b\u4e3a1\uff0c8\uff0c3\uff0c2\uff0c5\u548c2\uff0c\u8bb0\u95ed\u5408\u6298\u7ebfAEBCFD\u7684\u9762\u79ef\u4e3aS\uff0c\u5219\u4e0b\u9762\u56db\u4e2a\u9009\u62e9\u4e2d\u6b63\u786e\u7684\u662f\uff08\uff09
(A)S=7.5(B)S=5.4
(C)5.4<S<7.5(D)4<S<5.4.
22\uff0e\u7b2c\u4e00\u5c4a\u5e0c\u671b\u676f\u7684\u53c2\u8d5b\u4eba\u6570\u662f11\u4e07\uff0c\u7b2c\u5341\u5c4a\u4e3a148\u4e07\uff0c\u5219\u7b2c\u5c4a\u53c2\u8d5b\u4eba\u6570\u7684\u5e73\u5747\u589e\u957f\u7387\u6700\u63a5\u8fd1\u7684\u6570\u503c\u662f\uff08\uff09\u3002
\uff08A\uff0921.8%.(B)33.5%(C)45%(D)50%
23\uff0e\u5df2\u77e5X\u548cYI\u6ee1\u8db33X\uff0b4Y\uff1d2\uff0cX\uff0dY<1\uff0c\u5219\uff08\uff09\u3002
\uff08A\uff09X\uff1d\uff08B\uff09Y\uff1d\uff0d
\uff08C\uff09X>(D)Y>\uff0d
24\uff0e\u4e0b\u9762\u7684\u56db\u53e5\u8bdd\u4e2d\u6b63\u786e\u7684\u662f\uff08\uff09
A\uff0e\u6b63\u6574\u6570a\u548cb\u7684\u6700\u5927\u516c\u7ea6\u6570\u5927\u4e8e\u7b49\u4e8ea\u3002
B\uff0e\u6b63\u6574\u6570a\u548cb\u7684\u6700\u5c0f\u516c\u500d\u6570\u5927\u4e8e\u7b49\u4e8eab\u3002
C\uff0e\u6b63\u6574\u6570a\u548cb\u7684\u6700\u5927\u516c\u7ea6\u6570\u5c0f\u4e8e\u7b49\u4e8ea\u3002
D\uff0e\u6b63\u6574\u6570a\u548cb\u7684\u516c\u500d\u6570\u5927\u4e8e\u7b49\u4e8eab\u3002
25\uff0e\u5df2\u77e5a\u22642\uff0cb\u2265\uff0d3\uff0cc\u22645,\u4e14a\uff0db\uff0bc\uff1d10\uff0c\u5219a\uff0bb\uff0bc\u7684\u503c\u7b49\u4e8e\uff08\uff09\u3002
\uff08A\uff0910\uff08B\uff098\uff08C\uff096\uff08D\uff094
26\uff0e\u7684\u76f8\u53cd\u6570\u9664\uff0d6\u7684\u7edd\u5bf9\u503c\u6240\u5f97\u7684\u7ed3\u679c\u662f\uff3f\uff3f\uff3f\u3002
27\uff0e\u7528\u79d1\u5b66\u8bb0\u6570\u6cd5\u8868\u793a\uff1a890000\uff1d\uff3f\uff3f\uff3f\uff3f\u3002
28\uff0e\u7528\u56db\u820d\u4e94\u5165\u6cd5\uff0c\u628a1999.509\u53d6\u8fd1\u4f3c\u503c\uff08\u7cbe\u786e\u5230\u4e2a\u4f4d\uff09\uff0c\u5f97\u5230\u7684\u8fd1\u4f3c\u6570\u662f\uff3f\uff3f\u3002
29\uff0e\u5df2\u77e5\u4e24\u4e2a\u6709\u7406\u6570\uff0d12.43\u548c\uff0d12.45\u3002\u90a3\u4e48\uff0c\u5176\u4e2d\u7684\u5927\u6570\u51cf\u5c0f\u6570\u6240\u5f97\u7684\u5dee\u662f\uff3f\uff3f\u3002
30\uff0e\u5df2\u77e5\u4e0e\u662f\u540c\u7c7b\u9879\uff0c\u5219\uff1d\uff3f\uff3f\u3002
31\uff0e|\uff0d|\u7684\u8d1f\u5012\u6570\u4e0e\uff0d|4|\u7684\u5012\u6570\u4e4b\u548c\u7b49\u4e8e\uff3f\uff3f\u3002
32\uff0e\u8fd1\u4f3c\u65700\uff0c1990\u7684\u6709\u6548\u6570\u5b57\u662f\uff3f\uff3f\u3002
33\uff0e\u7532\u3001\u4e59\u3001\u4e19\u3001\u4e01\u56db\u4e2a\u6570\u4e4b\u548c\u7b49\u4e8e\uff0d90\uff0c\u7532\u6570\u51cf\uff0d4\uff0c\u4e59\u6570\u52a0\uff0d4\uff0c\u4e19\u6570\u4e58\uff0d4\uff0c\u4e01\u6570\u9664\uff0d4\u5f7c\u6bd4\u76f8\u7b49\uff0c\u5219\u56db\u4e2a\u6570\u4e2d\u7684\u6700\u5927\u7684\u4e00\u4e2a\u6570\u6bd4\u6700\u5c0f\u7684\u4e00\u4e2a\u6570\u5927\uff3f\uff3f\u3002
34\uff0e\u5df2\u77e5\u5f0f\u5b50\uff0b\u25a1\uff1d\uff0c\u5219\u25a1\u4e2d\u5e94\u586b\u7684\u6570\u662f\uff3f\uff3f\u3002
35\uff0e\uff08\u00f7\uff09\u00f7\uff3f\uff3f\uff3f\u3002
36\uff0e\u5df2\u77e5\u89d2a\u7684\u8865\u89d2\u7b49\u4e8e\u89d2a\u76843.5\u500d\uff0c\u5219\u89d2a\u7b49\u4e8e\uff3f\uff3f\u5ea6\u3002
37\uff0e\u5df2\u77e5\u65b9\u7a0b\uff081.9x\uff0d1.1\uff09\uff0d\uff08\uff09\uff1d0.9\uff083x\uff0d1\uff09\uff0b0.1\uff0c\u5219\u89e3\u5f97x\u7684\u503c\u662f\uff3f\u3002
38\uff0e\u7532\u697c\u6bd4\u4e19\u697c\u9ad824.5\u7c73,\u4e59\u697c\u6bd4\u4e19\u697c\u9ad815.6\u7c73,\u5219\u4e59\u697c\u6bd4\u7532\u697c\u4f4e___\u7c73.
39\uff0e\u5982\u56fe\uff0c\u56db\u4e2a\u5c0f\u4e09\u89d2\u5f62\u4e2d\u6240\u586b\u56db\u4e2a\u6570\u4e4b\u548c\u7b49\u4e8e\u96f6\uff0c\u5219\u8fd9\u56db\u4e2a\u6570\u7edd\u5bf9\u503c\u4e4b\u548c\u7b49\u4e8e\uff3f\uff3f\u3002
40\uff0e\u5173\u4e8ex\u7684\u65b9\u7a0b3mx\uff0b7\uff1d0\u548c
2x\uff0b3n\uff1d0\u662f\u540c\u89e3\u65b9\u7a0b\uff0c\u90a3\u4e48
x\uff0d2y=1999
41\uff0e\u65b9\u7a0b\u7ec4{\u7684\u89e3\u662f\uff3f\uff3f\uff3f\u3002
2x\uff0dy=2000
42\uff0e\u5c0f\u660e\u9a91\u8f66\u81ea\u7532\u5730\u7ecf\u4e59\u5730\uff0c\u5148\u4e0a\u5761\u540e\u4e0b\u5761\uff0c\u5230\u8fbe\u4e59\u5730\u540e\u7acb\u5373\u8fd4\u56de\u7532\u5730\uff0c\u5171\u752834\u5206\u949f\uff0c\u5df2\u77e5\u4e0a\u5761\u901f\u5ea6\u662f400\u7c73\uff0f\u5206\uff0c\u4e0b\u5761\u901f\u5ea6\u662f450\u7c73\uff0f\u5206\uff0c\u5219\u7532\u5730\u5230\u4e59\u5730\u7684\u8def\u7a0b\u662f\uff3f\uff3f\u7c73\u3002
43\uff0e\u7236\u4eb2\u6bd4\u5c0f\u660e\u592724\u5c81\uff0c\u5e76\u4e141998\u5e74\u7684\u5e74\u9f84\u662f\u5c0f\u660e2000\u5e74\u5e74\u9f84\u76843\u500d\uff0c\u5219\u5c0f\u660e1999\u5e74\u65f6\u7684\u5e74\u9f84\u662f\uff3f\uff3f\u5c81\u3002
44\uff0e\u5df2\u77e5\u548c\u662f\u540c\u7c7b\u9879\uff0c\u5219\uff3f\uff3f\uff3f\u3002
45\uff0e\uff0c\u5e76\u4e14\uff1d\u3002\u5219
46\uff0e\u90fd\u662f\u4e8c\u4f4d\u7684\u6b63\u6574\u697c\uff0c\u5df2\u77e5\u5b83\u4eec\u7684\u6700\u5c0f\u516c\u500d\u6570\u662f385\uff0c\u5219\u7684\u6700\u5927\u503c\u662f\uff3f\uff3f\u3002
47\uff0e\u7532\u74f6\u98df\u76d0\u6c34\u6d53\u5ea6\u4e3a8\uff05\uff0c\u4e59\u74f6\u98df\u76d0\u6c34\u6d53\u5ea6\u4e3a12\uff05\uff0c\u4e24\u74f6\u98df\u76d0\u6c34\u5171\u91cd1000\u514b\uff0c\u628a\u7532\u3001\u4e59\u4e24\u74f6\u98df\u76d0\u540e\u7684\u6d53\u5ea6\u662f10.08\uff05\uff0c\u5219\u7532\u74f6\u98df\u76d0\u6c34\u91cd\uff3f\uff3f\uff3f\u514b\u3002
48\uff0e\u5982\u56fe\u6240\u793a\u7684\u4e94\u89d2\u661f\u5f62\u4e2d\u5171\u53ef\u6570\u51fa\uff3f\uff3f\u4e2a\u4e09\u89d2\u5f62\u3002
49\uff0e\u5df2\u77e5\u5219\uff3f\u3002
50\uff0e\u5df2\u77e5\u6570\u4e321\uff0c1\uff0c2\uff0c3\uff0c5\uff0c8\uff0c13\uff0c\u2026\u2026\uff0c\u4ece\u7b2c3\u4e2a\u6570\u8d77\u6bcf\u4e2a\u6570\u90fd\u7b49\u4e8e\u5b83\u524d\u9762\u76f8\u90bb\u7684\u4e24\u4e2a\u6570\u4e4b\u548c\uff0c\u90a3\u4e48\uff0c\u6570\u4e32\u4e2d\u7b2c1999\u4e2a\u6570\u88ab3\u9664\u6240\u5f97\u7684\u4f59\u6570\u662f\uff3f\u3002

\u8fd0\u4e00\u6279\u8d27\u7269\uff0c\u4e00\u76f4\u8fc7\u53bb\u4e24\u6b21\u79df\u7528\u8fd9\u4e24\u53f0\u5927\u8d27\u8f66\u60c5\u51b5\uff1a\u7b2c\u4e00\u6b21 \u7532\u79cd\u8f662\u8f86\uff0c\u4e59\u79cd\u8f663\u8f86\uff0c\u8fd0\u4e8615.5\u5428 \u7b2c\u4e8c\u6b21 \u7532\u79cd\u8f665\u8f86 \u4e59\u79cd\u8f666\u8f86 \u8fd0\u4e8635\u5428\u8d27\u7269 \u73b0\u79df\u7528\u8be5\u516c\u53f83\u8f86\u7532\u79cd\u8f66\u548c5\u8f86\u4e59\u79cd\u8f66 \u5982\u679c\u6309\u6bcf\u5428\u4ed8\u8fd0\u8d3930\u5143 \u95ee\u8d27\u4e3b\u5e94\u4ed8\u591a\u5c11\u5143
\u89e3\uff1a\u8bbe\u7532\u53ef\u4ee5\u88c5x\u5428\uff0c\u4e59\u53ef\u4ee5\u88c5y\u5428\uff0c\u5219
2x+3y=15.5
5x+6y=35
\u5f97\u5230x=4
y=2.5
\u5f97\u5230\uff083x+5y\uff09*30=735

2\u3001\u73b0\u5bf9\u67d0\u5546\u54c1\u964d\u4ef710%\u4fc3\u9500.\u4e3a\u4e86\u4f7f\u9500\u552e\u603b\u91d1\u989d\u4e0d\u53d8.\u9500\u552e\u91cf\u8981\u6bd4\u6309\u539f\u4ef7\u9500\u552e\u65f6\u589e\u52a0\u767e\u5206\u4e4b\u51e0\uff1f
\u89e3\uff1a\u539f\u4ef7\u9500\u552e\u65f6\u589e\u52a0X%
(1-10%)*(1+X%)=1
X%=11.11%
\u4e3a\u4e86\u4f7f\u9500\u552e\u603b\u91d1\u989d\u4e0d\u53d8.\u9500\u552e\u91cf\u8981\u6bd4\u6309\u539f\u4ef7\u9500\u552e\u65f6\u589e\u52a011.11%

3\u30011\u4e2a\u5546\u54c1\u964d\u4ef710%\u540e\u7684\u4ef7\u683c\u6070\u597d\u6bd4\u539f\u4ef7\u7684\u4e00\u534a\u591a40\u5143,\u95ee\u8be5\u5546\u54c1\u539f\u4ef7\u662f\u591a\u5c11?
\u89e3\uff1a\u8bbe\u539f\u4ef7\u4e3ax\u5143
(1-10%)x-40=0.5x
x=100
\u7b54\uff1a\u539f\u4ef7\u4e3a100\u5143

4\u3001\u6709\u542b\u76d08%\u7684\u76d0\u6c3440\u514b\uff0c\u8981\u4f7f\u76d0\u6c34\u542b\u76d020%\uff0c\u5219\u9700\u52a0\u76d0\u591a\u5c11\u514b\uff1f
\u89e3\uff1a\u8bbe\u52a0\u76d0x\u514b
\u5f00\u59cb\u7eaf\u76d0\u662f40*8%\u514b
\u52a0\u4e86x\u514b\u662f40*8%+x
\u76d0\u6c34\u662f40+x\u514b
\u6d53\u5ea620%
\u6240\u4ee5(40*8%+x)/(40+x)=20%
(3.2+x)/(40+x)=0.2
3.2+x=8+0.2x
0.8x=4.8
x=6
\u6240\u4ee5\u52a0\u76d06\u514b

5\u3001\u67d0\u5e02\u573a\u9e21\u86cb\u4e70\u5356\u6309\u4e2a\u6570\u8ba1\u4ef7\uff0c\u4e00\u5546\u8d29\u4ee5\u6bcf\u4e2a0.24\u5143\u8d2d\u8fdb\u4e00\u6279\u9e21\u86cb\uff0c\u4f46\u5728\u8d29\u8fd0\u9014\u4e2d\u4e0d\u614e\u78b0\u788e\u4e8612\u4e2a\uff0c\u5269\u4e0b\u7684\u86cb\u4ee5\u6bcf\u4e2a0.28\u5143\u552e\u51fa\uff0c\u7ed3\u679c\u4ecd\u83b7\u522911.2\u5143\u3002\u95ee\u8be5\u5546\u8d29\u5f53\u521d\u4e70\u8fdb\u591a\u5c11\u4e2a\u9e21\u86cb\uff1f
\u89e3\uff1a\u8bbe\u8be5\u5546\u8d29\u5f53\u521d\u4e70\u8fdbX\u4e2a\u9e21\u86cb.
\u6839\u636e\u9898\u610f\u5217\u51fa\u65b9\u7a0b:
(X-12)*0.28-0.24X=11.2
0.28X-3.36-0.24X=11.2
0.04X=14.56
X=364
\u7b54:\u8be5\u5546\u8d29\u5f53\u521d\u4e70\u8fdb36\u4e2a\u9e21\u86cb.

1、设∠ABC=2a，∠ACE=2b，∠D=x，那么画图你能看出来，∠A+2a=2b，∠D+a=b，所以∠D等于∠A的一半。同样的方法可以证得An=A/2^n。所以A5=3°。
2、想象不来图什么样。
3、想象不来图什么样。
4、B+C/2=P+A/2，D+A/2=P+C/2，两式相加可得P=(B+D)/2。
5、想象不来图什么样。
6、假设是一天内的工作量的话。设生产桌子的工人有x组，生产椅子的工人有y组，那么生产桌子的工人有2x的，生产椅子的工人有3y个，2x+3y=28；一天一组可生产3张桌子，10把椅子，而4个椅子对应1张桌子，所以3x*4=10y。可求的，x=5，y=6。

鎬ユ眰銆鍒濅竴濂ユ暟棰銆戞埑杩涙潵棰樼洰鏈夊浘
绛旓細n^2+[n(n+1)]^2+(n+1)^2=[n*(n+1)+1]^2 绛夊紡鍙充晶灞曞紑:[n(n+1)]^2+2n(n+1)+1 鍚庨潰閭ｄ釜2n(n+1)+1=2n^2+2n+1=(n^2)+(n^2+2n+1)=n^2+(n+1)^2

鎬ユ眰!濂ユ暟棰樺垵涓鐨勯毦鐐60鍒(鎴戜笉瑕佺綉绔)
绛旓細(3)姹傛柊鍚堥噾涓惈閿扮殑閲嶉噺鑼冨洿. 鍒濅竴濂ユ暟澶嶄範棰樿В绛 浣滆:浣氬悕 鏂囩珷鏉ユ簮:鍒濅腑鏁板绔炶禌杈呭 鐐瑰嚮鏁:456 鏇存柊鏃堕棿:2006-2-4 2.鍥犱负|a|=-a,鎵浠鈮0,鍙堝洜涓簗ab|=ab,鎵浠鈮0,鍥犱负|c|=c,鎵浠鈮0.鎵浠+b鈮0,c-b鈮0,a-c鈮0.鎵浠 鍘熷紡=-b+(a+b)-(c-b)-(a-c)=b. ...

涓冨勾绾уゥ鏁伴!!鎬ユ眰!!!浼氬姞鍒!
绛旓細璇存瘡12 鍨 婊¤冻3 妞 4 鍑 闂 浜掓崲 86闄 12鍟7 鍒 鑳芥暣闄 鎵 7绉 鎸夌収 绉嶆濊矾 89 鍨 灏戠 鍛 鍚 鎬濊矾 鍏 86 鍨 瀹 7绉嶆 鍑 浜掓崲 鍓 3 鍨 鑳戒拱 鍑 閰 姣 鍗佷簲 閽 鐭ラ亾璋ｈ█ 鏁 瑕佷箻 浜 5 20 15 閽 鎵 1*2*2*鈥︹*2 涔 20 2 2 20 2^20 鏈 绛旀 鐪 鑰冭 ...

鎬ユ眰鍒濅竴涓婂鏈濂ユ暟棰,瑕佹湁绛旀,35閬
绛旓細杩欐槸鍖椾含甯傚皬瀛︾敓绗崄浜斿眾銆婅繋鏄ユ澂銆鏁板绔炶禌鍐宠禌璇曞嵎鐨勭涓夊ぇ棰樼殑绗4灏忛,涔熸槸閫夋墜浠涪鍒嗘渶澶氱殑涓閬撻銆 寰楀埌a=1,b+e=9,(e鈮0),c+f=9,d+g=9銆 涓轰簡璁＄畻杩欐牱鐨勫洓浣嶆暟鏈澶氭湁澶氬皯涓,鐢遍璁炬潯浠禷,b,c,d,e,f,g浜掍笉鐩稿悓,鍙煡,鏁板瓧b鏈7绉嶉夋硶(b鈮1,8,9),c鏈6绉嶉夋硶(c鈮1,8,b,e),d...

涓閬鍒濅竴濂ユ暟棰!鎬ユ眰瑙!
绛旓細姣忎竴鍦烘瘮璧 涓嶈鑳滆礋濡備綍锛屽鎬诲垎閮芥槸涓ゅ垎锛屽洜姝ゅ叧閿湪浜庣‘瀹氬満娆℃暟銆傚洜涓烘槸鍗曞惊鐜 鎵浠ユ湁n涓夋墜鐨勮瘽 鏄瘮n*锛坣-1锛/2 鍦 鍐嶄箻浠2 鎬诲垎鍙彲鑳芥槸 n*锛坣-1锛 鎵浠ュ彧鏈 1980=44*45 鏈夊彲鑳 鎵浠 1980 鏄鐨

鎬ユ眰涓冨勾绾涓濂ユ暟棰30閬 缁100!!!
绛旓細鎵浠ユ墍鏈夌殑鍥涗綅鏁颁箣鍜岋紝灏辨槸锛336脳(1+2+...+9)脳1+336脳(1+2+...+9)脳10+336脳(1+2+...+9)脳100+336脳(1+2+...+9)脳1000 锛336脳(1+2+...+9)脳(1+10+100+1000)锛336脳45脳1111 锛16798320 缁欎綘涓濂ユ暟缃戠珯:http://www.aoshu.cn/Article_L/Class110List.htm ...

鎬ユ眰銆鍒濅竴濂ユ暟棰銆戞埑杩涙潵棰樼洰鏈夊浘.
绛旓細绛旀鏄2015/4028锛堝簲璇ユ槸瀵圭殑锛夎瘽璇撮鐩笂绗竴涓嫭鍙烽噷鏄(1-1/ 2鐨勪簩娆)鍚楋紵杩囩▼锛氬師寮=锛1+1/2锛夛紙1-1/2锛夛紙1+1/3锛夛紙1-1/3锛夛紙1+1/4锛夛紙1-1/4锛...锛1+1/2013锛夛紙1-1/2013锛夛紙1+1/2014锛夛紙1-1/2014锛夈愬钩鏂瑰樊鍏紡銆=3/2*1/2*4/3*2/3*5/4*3/4*...*2014...

璋佹湁鍒濅竴濂ユ暟棰鍟???鎬ユ眰...
绛旓細鍒濅竴濂ユ暟棰鍙婄瓟妗 2011骞03鏈11鏃 鏄熸湡浜 涓嬪崍 9:04 1銆佽嫢a 0,鍒檃+ = 2銆佺粷瀵瑰兼渶灏忕殑鏁版槸 3銆佷竴涓湁鐞嗘暟鐨勭粷瀵瑰肩瓑浜庡叾鏈韩锛岃繖涓暟鏄紙 锛 A銆佹鏁 B銆侀潪璐熸暟 C銆侀浂 D銆佽礋鏁 4銆佸凡鐭涓1浜掍负鐩稿弽鏁,涓攟 a+x |涓 x 浜掑掓暟锛屾眰 x 2000鈥攁 x2001鐨勫...

缁欐壘鍗侀亾濂ユ暟棰,鎬ユ眰,鍦ㄧ嚎绛,濡傛灉鏈夌畝鍗曞張濂,鍐嶅姞20璐㈠瘜
绛旓細杩欓亾棰樻眰灞辨礊鐨勯暱搴︿篃灏辩浉褰撲簬姹傛ˉ闀,鎴戜滑灏卞繀椤荤煡閬撴昏矾绋嬪拰杞﹂暱,杞﹂暱鏄凡鐭ユ潯浠,閭ｄ箞鎴戜滑灏辫鍒╃敤棰樹腑鎵缁欑殑杞﹂熷拰閫氳繃鏃堕棿姹傚嚭鎬昏矾绋嬨 鎬昏矾绋: 灞辨礊闀: (绫)绛:杩欎釜灞辨礊闀60绫炽傚拰鍊嶉棶棰1. 绉﹀鍜屽濡堢殑骞撮緞鍔犲湪涓璧锋槸40宀,濡堝鐨勫勾榫勬槸绉﹀骞撮緞鐨4鍊,闂Е濂嬪拰濡堝鍚勬槸澶氬皯宀?鎴戜滑鎶婄Е濂嬬殑骞撮緞浣滀负1...

鍒濅腑瓒呴毦濂ユ暟棰,鎬ユ眰绛旀
绛旓細9 鏈熬鍥涗綅鏁板瓧涔嬪拰閮戒负0 8 寮濮嬫椂AB=30m,BC=40m,CD=30m,DA=30m A閫熷害涓3绫/绉掞紝B閫熷害涓4绫/绉掞紝C閫熷害涓5绫/绉掞紝D閫熷害涓6绫/绉 10绉掑悗锛孌灏嗕笌A鐩告挒锛孉涓嶥浜ゆ崲閫熷害锛孉閫熷害涓6绫/绉,D閫熷害涓3绫/绉 姝ゆ椂AB=40m,BC=40m,CD=40m,DA=0m 2. 20绉掑悗锛孉灏嗕笌B锛孋灏嗕笌D鐩告挒锛...

扩展阅读：初二数学难题压轴题 ... 初一数学压轴题100题 ... 初一数学必练100题 ... 初一奥数必考50道题 ... 史上最难的智商题 ... 扫一扫题目出答案 ... 初一数学奥数题及答案 ... 免费初一试卷题库 ... 六年级必学奥数100题 ...