西南师大版六年级下册数学奥数题 六年级下册数学奥数题，超难的
\u516d\u5e74\u7ea7\u4e0b\u518c\u6570\u5b66\u5965\u6570\u9898\u548c\u7b54\u6848 \u8d77\u7801\u8981\u670920\u9898 \u96be\u4e00\u70b9\u7684 \u8fd8\u6709\u6709\u7b54\u68481\u3001\u4e00\u4e2a\u56db\u4f4d\u65703\uff08\uff097\uff08\uff09\u80fd\u540c\u65f6\u88ab9\u548c4\u6574\u9664\uff0c\u6c42\u8fd9\u6837\u7684\u56db\u4f4d\u6570\u4e2d\u6700\u5927\u6570\u5341\u591a\u5c11\uff1f\u6700\u5c0f\u662f\u591a\u5c11\uff1f
2\u3001\u8981\u4f7f\u516d\u4f4d\u657015ABC\u80fd\u88ab36\u6574\u9664\uff0c\u800c\u4e14\u6240\u5f97\u7684\u5546\u6700\u5c0f\uff0c\u95eeA\u3001B\u3001C\u3001\u5404\u4ee3\u8868\u4ec0\u4e48\u6570\u5b57\uff1f\u5546\u6700\u5927\u5462\uff1f
3\u3001\u4ece0\u30013\u30015\u30017\u8fd9\u56db\u4e2a\u6570\u5b57\u4e2d\u4efb\u90093\u4e2a\u6570\uff0c\u6392\u6210\u80fd\u540c\u65f6\u88ab2\u30013\u30015\u6574\u9664\u7684\u4e09\u4f4d\u6570\uff0c\u8fd9\u6837\u7684\u4e09\u4f4d\u6570\u6709\u54ea\u4e9b\uff1f
4\u3001\u75282\u30013\u30014\u30015\u56db\u4e2a\u6570\u5b57\u7ec4\u6210\u7684\u56db\u4f4d\u6570\u4e2d\uff0c\u80fd\u88ab11\u6574\u9664\u7684\u6570\u90fd\u6709\u54ea\u4e9b\uff0c\u8bf7\u6309\u4ece\u5927\u5230\u5c0f\u6392\u5217\u51fa\u6765\u3002
5\u3001\u4e2a\u4f4d\u6570\u5b57\u4e3a6\uff0c\u4e14\u80fd\u88ab3\u6574\u9664\u7684\u56db\u4f4d\u6570\u5171\u6709\u591a\u5c11\uff1f
6\u3001\u628a\u82e5\u5e72\u4e2a\u81ea\u7136\u65701,2,3\uff0c\u3002\u3002\u3002\u3002\u3002\u3002\u4e58\u5728\u4e00\u8d77\uff0c\u5982\u679c\u5df2\u77e5\u8fd9\u4e2a\u6210\u7ee9\u7684\u6700\u672b13\u4f4d\u6070\u597d\u90fd\u662f0\uff0c\u90a3\u4e48\u6700\u540e\u90a3\u4e2a\u81ea\u7136\u6570\u6700\u5c0f\u5e94\u8be5\u662f\u591a\u5c11\uff1f
7.\u4e00\u4ef6\u5546\u54c1\u6309\u539f\u4ef7\u76848\u6298\u51fa\u552e\uff0c\u80fd\u83b7\u522920%\uff0c\u7531\u4e8e\u6210\u672c\u964d\u4f4e\uff0c\u5148\u6309\u539f\u4ef7\u768475\u6298\u51fa\u552e\uff0c\u80fd\u83b7\u522925%\uff0c\u90a3\u4e48\u73b0\u5728\u7684\u6210\u672c\u6bd4\u539f\u6765\u964d\u4f4e\u4e86\u51e0\u5206\u4e4b\u51e0\uff1f
8.\u67d0\u6821\u56db\u5e74\u7ea7\u539f\u6709\u4e24\u4e2a\u73ed\uff0c\u73b0\u5728\u91cd\u65b0\u7f16\u4e3a\u4e09\u4e2a\u73ed\uff0c\u5c06\u539f\u4e00\u73ed\u76841/3\u548c\u539f\u4e8c\u73ed\u76841/4\u7ec4\u6210\u65b0\u4e00\u73ed\uff0c\u5c06\u539f\u4e00\u73ed\u76841/4\u548c\u539f\u4e8c\u73ed\u76841/3\u7ec4\u6210\u65b0\u4e8c\u73ed\uff0c\u4f59\u4e0b\u768430\u4eba\u7ec4\u6210\u65b0\u4e09\u73ed\u3002\u5982\u679c\u65b0\u4e00\u73ed\u7684\u4eba\u6570\u6bd4\u65b0\u4e8c\u73ed\u7684\u4eba\u6570\u591a10%\u3002\u65b0\u4e00\u73ed\u6709\u591a\u5c11\u4eba\uff1f
9.\u5df2\u77e5\u7532\u3001\u4e59\u4e24\u8f66\u5206\u522b\u4ece\u76f8\u8ddd300\u5343\u7c73\u7684A\u3001B\u4e24\u5730\u540c\u65f6\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\u3002\u5176\u4e2d\u7532\u5230B\u4ee5\u540e\u7acb\u5373\u53cd\u56de\uff0c\u7532\u53bb\u65f6\u7528\u4e863\u5c0f\u65f6\uff0c\u8fd4\u56de\u65f6\u7528\u4e8615/4\u5c0f\u65f6\u3002\u4e59\u8f66\u8f83\u6162\uff0c\u7532\u8fd4\u56de\u540e\uff0c\u518d\u8fc7\u4e00\u4f1a\u624d\u5230A\u5730\u3002\u5f53\u4ed6\u4eec\u884c\u9a76\u4e0e\u5404\u81ea\u7684\u51fa\u53d1\u5730\u8ddd\u79bb\u76f8\u7b49\u65f6\uff0c\u90fd\u7528\u4e869/2\u5c0f\u65f6\uff0c\u6c42\u4ed6\u4eec\u4f55\u65f6\u76f8\u9047\u3002
10.\u5c0f\u521a\u548c\u5c0f\u660e\u4ece\u5bb6\u51fa\u53d1\u76f8\u5411\u800c\u884c\uff0c\u5c0f\u521a\u6bcf\u5206\u949f\u8d7052\u7c73\uff0c\u5c0f\u660e\u6bcf\u5206\u949f\u8d7070\u7c73\uff0c\u4e24\u4eba\u5728\u9014\u4e2dA\u76f8\u9047\uff0c\u82e5\u5c0f\u521a\u63d0\u524d4\u5206\u949f\u51fa\u53d1\uff0c\u4e14\u901f\u5ea6\u4e0d\u53d8\uff0c\u5c0f\u660e\u6bcf\u5206\u949f\u8d7090\u7c73\uff0c\u4e24\u4eba\u4ecd\u7136\u5728A\u5904\u76f8\u9047\uff0c\u4e24\u5bb6\u8ddd\u79bb\u591a\u5c11\u7c73\uff1f
11.\u67d0\u8f66\u95f4\u5171\u670986\u540d\u5de5\u4eba\uff0c\u5df2\u77e5\u6bcf\u4eba\u5e73\u5747\u6bcf\u5929\u53ef\u52a0\u5de5\u7532\u79cd\u90e8\u4ef615\u4e2a\uff0c\u6216\u4e59\u79cd\u90e8\u4ef612\u4e2a\uff0c\u6216\u4e19\u79cd\u90e8\u4ef69\u4e2a\uff0c\u8981\u4f7f\u52a0\u5de5\u540e\u7684\u90e8\u4ef6\u63093\u4e2a\u7532\u79cd\u90e8\u4ef6\u30012\u4e2a\u4e59\u79cd\u90e8\u4ef6\u548c1\u4e2a\u4e19\u79cd\u90e8\u4ef6\u914d\u5957\uff0c\u5219\u5e94\u5b89\u6392\u591a\u5c11\u4eba\u52a0\u5de5\u7532\u79cd\u90e8\u4ef6\uff0c\u591a\u5c11\u4eba\u52a0\u5de5\u4e59\u79cd\u90e8\u4ef6\uff0c\u591a\u5c11\u4eba\u52a0\u5de5\u4e19\u79cd\u90e8\u4ef6\u3002
12.\u5973\u513f\u6bcf\u5929\u653e\u5b66\u540e,\u7236\u4eb2\u90fd\u51c6\u65f6\u53bb\u63a5.\u67d0\u65e5\u5973\u513f\u63d0\u524d\u653e\u5b66\u6b65\u884c\u56de\u5bb6.\u800c\u7236\u4eb2\u5f53\u5929\u56e0\u4e8b\u665a10\u5206\u949f\u51fa\u53d1\u63a5\u5973\u513f.\u5973\u513f\u5728\u6b65\u884c8\u5206\u949f\u540e\u9047\u5230\u7236\u4eb2,\u7136\u540e\u4e00\u8d77\u56de\u5bb6.\u7ed3\u679c\u5230\u5bb6\u65f6\u95f4\u6bd4\u5e73\u65f6\u665a\u4e863\u5206\u949f,\u5047\u8bbe\u7236\u4eb2\u7684\u901f\u5ea6\u4fdd\u6301\u6052\u5b9a,\u6c42\u5973\u513f\u63d0\u524d\u591a\u5c11\u5206\u949f\u653e\u5b66?
13.\u75280\uff0c1\uff0c2\uff0c\u2026\uff0c9\u5341\u4e2a\u6570\u5b57\u7ec4\u6210\u4e94\u4e2a\u4e24\u4f4d\u6570\uff0c\u6bcf\u4e2a\u6570\u5b57\u53ea\u80fd\u7528\u4e00\u6b21\uff0c\u8981\u6c42\u5b83\u4eec\u7684\u548c\u662f\u4e00\u4e2a\u5947\u6570\uff0c\u5e76\u4e14\u5c3d\u53ef\u80fd\u7684\u5927\uff0c\u4e24\u4f4d\u6570\u7684\u548c\u662f\u591a\u5c11\uff1f
14.\u67d0\u5546\u54c1\u6210\u672c\u4e3a\u6bcf\u4e2a80\u5143\uff0c\u5982\u679c\u6309\u6bcf\u4e2a100\u5143\u5356\uff0c\u53ef\u5356\u51fa1000\u4e2a\u3002\u5f53\u8fd9\u79cd\u5546\u54c1\u6bcf\u4e2a\u6da8\u4ef71\u5143\uff0c\u9500\u552e\u91cf\u5c31\u51cf\u5c1120\u4e2a\u3002\u4e3a\u4e86\u8d5a\u53d6\u6700\u591a\u7684\u5229\u6da6\uff0c\u552e\u4ef7\u5e94\u5b9a\u4e3a\u6bcf\u4e2a\u591a\u5c11\u5143\u3002
15.\u7532\u4e59\u4e24\u4eba\u5206\u522b\u4eceA,B \u4e24\u5730\u51fa\u53d1\uff0c\u76f8\u5411\u800c\u884c\uff0c\u51fa\u53d1\u65f6\u4ed6\u4eec\u7684\u901f\u5ea6\u6bd4\u662f3:2,\u4ed6\u4eec\u7b2c\u4e00\u6b21\u76f8\u9047\u540e\uff0c\u7532\u7684\u901f\u5ea6\u63d0\u9ad8\u4e8620% \uff0c\u4e59\u7684\u901f\u5ea6\u63d0\u9ad8\u4e8630% ,\u8fd9\u6837\uff0c\u5f53\u7532\u5230\u8fbeB\u5730\u65f6,\u4e59\u79bb\u5730A\u5730\u8fd8\u670914\u5343\u7c73 \uff0c\u90a3\u4e48AB\u4e24\u5730\u4e4b\u95f4\u7684\u8ddd\u79bb\u662f\u591a\u5c11\uff1f
1.
\u88ab9\u6574\u9664\u7684\u6570\uff0c\u5404\u4f4d\u6570\u5b57\u548c\u80fd\u88ab9\u6574\u9664\u3002
\u88ab4\u6574\u9664\u7684\u6570\uff0c\u540e\u4e24\u4f4d\u80fd\u88ab4\u6574\u9664
\u6240\u4ee5\u540e\u4e24\u4f4d\u53ef\u80fd\u4e3a\uff1a72\u621676
1\uff09\u540e\u4e24\u4f4d\u4e3a72\u65f6
3+7+2=12
\u7b2c\u4e8c\u4f4d\u4e3a18-12=6
\u8fd9\u4e2a\u56db\u4f4d\u6570\u4e3a3672
2\uff09\u540e\u4e24\u4f4d\u4e3a76\u65f6
3+7+6=16
\u7b2c\u4e8c\u4f4d\u4e3a18-16=2
\u8fd9\u4e2a\u56db\u4f4d\u6570\u4e3a3276
\u8fd9\u6837\u7684\u56db\u4f4d\u6570\uff0c\u53ea\u6709\u4e24\u4e2a\uff0c
\u5927\u7684\u4e3a\uff1a3672
\u5c0f\u7684\u4e3a\uff1a3276
2\u3002
\u5230\u5e95\u662f5\u4f4d\u6570\u8fd8\u662f6\u4f4d\u6570\uff1f
\u63095\u4f4d\u6570\u6c42\u89e3\u5982\u4e0b\u3002
\u80fd\u88ab36\u6574\u9664\uff0c\u5c31\u8981\u80fd\u540c\u65f6\u88ab4\u548c9\u6574\u9664
\u5546\u6700\u5c0f\uff0c\u5c31\u662f\u6c42\u6ee1\u8db3\u8981\u6c42\u7684\u6700\u5c0f\u76845\u4f4d\u6570\u3002
1+5=6,\u80fd\u88ab9\u6574\u9664\u7684\u6570\uff0c\u6700\u5c0f\u4e3a9\uff0c\u90a3\u4e48\u5c31\u8981\u770bA,B,C\u7684\u548c\u4e3a3\u5373\u53ef
\u80fd\u88ab4\u6574\u9664\uff0c\u9700\u8981\u540e\u4e24\u4f4d\u80fd\u88ab4\u6574\u9664
\u5546\u6700\u5c0f\u65f6\uff0c
A=0
B=1
C=2
\u540c\u7406\uff0c\u5546\u6700\u5927\u65f6
\u540e\u4e09\u4f4d\u7684\u548c\u4e3a27-6=21
21-9=12
8+4=12
A=9,B=8,,C=4
3\u3002
\u80fd\u88ab5\u6574\u9664\uff0c\u4e2a\u4f4d\u4e3a0\u62165
\u80fd\u88ab2\u6574\u9664\uff0c\u4e2a\u4f4d\u4e3a\u5076\u6570
\u6240\u4ee5\u4e2a\u4f4d\u53ea\u80fd\u4e3a0
\u80fd\u88ab3\u6574\u9664\uff0c\u5404\u4f4d\u6570\u5b57\u4e4b\u548c\u80fd\u88ab3\u6574\u9664\uff0c
\u73b0\u5728\u4e2a\u4f4d\u6570\u5b57\u5df2\u7ecf\u786e\u5b9a\u4e3a0\uff0c\u90a3\u5c31\u8981\u6c42\u524d\u4e24\u4f4d\u7684\u548c\u80fd\u88ab3\u6574\u9664
\u524d\u4e24\u4f4d\u53ea\u80fd\u662f5\u548c7
\u8fd9\u6837\u7684\u4e09\u4f4d\u6570\u6709\uff1a
570\u548c750
4\u3002
\u80fd\u88ab11\u6574\u9664\u7684\u6570\uff0c\u5947\u6570\u4f4d\u7684\u6570\u5b57\u548c\uff0c\u4e0e\u5076\u6570\u4f4d\u6570\u5b57\u548c\u7684\u5dee\uff0c\u80fd\u88ab11\u6574\u9664\uff08\u5305\u62ec0\uff09
\u73b0\u5728\u53ea\u80fd\u662f(2+5)-(3+4)=0
\u6240\u4ee52,5\u540c\u5728\u5947\u6570\u4f4d\u6216\u5076\u6570\u4f4d
3,4\u540c\u5728\u5947\u6570\u4f4d\u6216\u5076\u6570\u4f4d
\u6ee1\u8db3\u8981\u6c42\u7684\u56db\u4f4d\u6570\uff0c\u4ece\u5927\u5230\u5c0f\uff0c\u4e3a\uff1a
5423,5324,4532,4235,3542,3245,2453,2354
5.
\u80fd\u88ab3\u6574\u9664\u7684\u6570\uff0c\u5404\u4f4d\u6570\u5b57\u4e4b\u548c\u80fd\u88ab3\u6574\u9664\u3002
\u4e2a\u4f4d\u6570\u5b576\u80fd\u88ab3\u6574\u9664\uff0c\u53ea\u8981\u6c42\u524d\u4e09\u4f4d\u80fd\u88ab3\u6574\u9664\u5373\u53ef\u3002
\u80fd\u88ab3\u6574\u9664\u7684\u4e09\u4f4d\u6570\uff0c\u6700\u5c0f\u4e3a102\uff0c\u6700\u5927\u4e3a999
\u4e00\u5171\u6709\uff1a\uff08999-102\uff09\u00f73+1=300\u4e2a
\u6240\u4ee5\u6ee1\u8db3\u8981\u6c42\u76844\u4f4d\u6570\uff0c\u5171\u6709300\u4e2a
6\u3002
\u6bcf\u4e2a\u56e0\u65705\u548c\u56e0\u65702\u7684\u4e58\u79ef\uff0c\u4f1a\u5728\u672b\u5c3e\u589e\u52a01\u4e2a0
\u8fde\u7eed\u7684\u81ea\u7136\u6570\u76f8\u4e58\uff0c\u5076\u6570\u8db3\u591f\u591a\uff0c\u5373\u56e0\u65702\u8db3\u591f\u591a\uff0c\u53ea\u9700\u8981\u8003\u8651\u56e0\u65705\u7684\u4e2a\u6570
\u672b\u5c3e\u670913\u4e2a0\uff0c\u90a3\u4e48\u8fd9\u4e9b\u8fde\u7eed\u7684\u81ea\u7136\u6570\u4e2d\uff0c\u542b\u670913\u4e2a\u56e0\u65705
\u6bcf5\u4e2a\u8fde\u7eed\u7684\u81ea\u7136\u6570\u4e2d\uff0c\u81f3\u5c11\u67091\u4e2a\u56e0\u65705
13*5=65
\u5176\u4e2d\uff0c25\u7684\u500d\u6570\uff0c\u542b\u67092\u4e2a\u56e0\u65705
1--65,25\u7684\u500d\u6570\u67092\u4e2a\uff0c\u6240\u4ee5\u591a\u4e862\u4e2a\u56e0\u65705
65\u542b\u6709\u4e00\u4e2a\uff0c60\u542b\u6709\u4e00\u4e2a
\u6240\u4ee5\u6700\u540e\u90a3\u4e2a\u81ea\u7136\u6570\uff0c\u6700\u5c0f\u5e94\u8be5\u662f55
7.
\u539f\u6765\u7684\u6210\u672c\u770b\u4f5c\u5355\u4f4d1\uff0c\u90a3\u4e48\u539f\u4ef7\u5c31\u662f\uff081\uff0b20\uff05\uff09\u00f780\uff05\uff1d150\uff05\u3002\u73b0\u5728\u7684\u6210\u672c\u662f150\uff05\u00d775\uff05\u00f7\uff081\uff0b25\uff05\uff09\uff1d90\uff05\uff0c\u6240\u4ee5\u6210\u672c\u964d\u4f4e\u4e8610\uff05\u3002
8.
\u539f\u6765\u4e24\u73ed\u603b\u6570\u76841\uff0d1/4\uff0d1/3\uff1d5/12\u662f30\u4eba\uff0c\u90a3\u4e48\u539f\u6765\u4e24\u4e2a\u73ed\u517130\u00f75/12\uff1d72\u4eba\uff0c\u65b0\u4e00\u73ed\u548c\u65b0\u4e8c\u73ed\u517172\uff0d30\uff1d42\u4eba\uff0c\u65b0\u4e8c\u73ed\u670942\u00f7\uff081\uff0b10\uff05\uff0b1\uff09\uff1d20\u4eba\uff0c\u65b0\u4e00\u73ed\u5c31\u662f42\uff0d20\uff1d22\u4eba
9.
\u7532\u8f66\u53bb\u65f6\u6bcf\u5c0f\u65f6\u884c300\u00f73\uff1d100\u5343\u7c73\uff0c\u8fd4\u56de\u65f6\u6bcf\u5c0f\u65f6\u884c300\u00f715/4\uff1d80\u5343\u7c73\u3002\u4e59\u8f669/2\u5c0f\u65f6\u884c\u7684\u8def\u7a0b\u76f8\u5f53\u4e8e\u7532\u8f66\u8fd4\u56de\u65f63\uff0b15/4\uff0d9/2\uff1d9/4\u5c0f\u65f6\u884c\u7684\uff0c\u4e59\u8f66\u6bcf\u5c0f\u65f6\u884c80\u00d79/4\u00f79/2\uff1d40\u5343\u7c73\u3002\u6240\u4ee5\u51fa\u53d1\u540e300\u00f7\uff08100\uff0b40\uff09\uff1d15/7\u5c0f\u65f6\u76f8\u9047\u3002
10.
4\u5206\u949f\u76f8\u5f53\u4e8e\u76f8\u9047\u65f6\u95f4\u76841\uff0d70/90\uff1d2/9\uff0c\u76f8\u9047\u65f6\u95f4\u662f4\u00f72/9\uff1d18\u5206\u949f\uff0c\u76f8\u9047\u65f6\u95f4\u662f\uff0852\uff0b70\uff09\u00d718\uff1d2196\u7c73
11.
\u505a3\u4e2a\u7532\u90e8\u4ef6\u9700\u89813/15\u4e2a\u4eba\uff0c2\u4e2a\u4e59\u90e8\u4ef6\u9700\u89812/12\u4e2a\u4eba\uff0c1\u4e2a\u4e19\u90e8\u4ef6\u9700\u89811/9\u4e2a\u4eba\u3002\u4eba\u6570\u7684\u6bd4\u5c31\u662f3/15\uff1a2/12\uff1a1/9\uff1d18\uff1a15\uff1a10\uff0c\u6309\u6bd4\u4f8b\u5206\u914d\u5c31\u662f\u7532\u90e8\u4ef6\u5b89\u639236\u4eba\uff0c\u4e59\u90e8\u4ef6\u5b89\u639230\u4eba\uff0c\u4e19\u90e8\u4ef6\u5b89\u639220\u4eba\u3002
12.
\u5982\u679c\u5973\u513f\u5728\u8001\u5730\u65b9\u7b49\uff0c\u90a3\u4e48\u5c31\u8981\u665a10\u5206\u949f\u56de\u5bb6\uff0c\u6700\u540e\u53ea\u665a\u4e863\u5206\u949f\uff0c\u8bf4\u660e\u7236\u4eb2\u5c11\u884c\u4e867\u5206\u949f\u7684\u8def\u3002\u5982\u679c\u7236\u4eb2\u8981\u884c\u5230\u8001\u5730\u65b9\uff0c\u5c31\u8fd8\u8981\u884c7\u00f72\uff1d3.5\u5206\u949f\uff0c\u8bf4\u660e\u6b64\u65f6\u6b64\u523b\u5df2\u7ecf\u6bd4\u5f80\u5e38\u665a\u4e8610\uff0d3.5\uff1d6.5\u5206\u949f\uff0c\u5973\u513f\u884c\u4e868\u5206\u949f\u4e4b\u540e\u624d\u6bd4\u5f80\u5e38\u665a6.5\u5206\u949f\uff0c\u5c31\u8bf4\u660e\u5973\u513f\u6bd4\u5e73\u65f6\u65e9\u51fa\u53d18\uff0d6.5\uff1d1.5\u5206\u949f\u3002
13.
\u9996\u51480\u53ea\u80fd\u5728\u4e2a\u4f4d\uff0c\u90a3\u4e48\u5269\u4e0b4\u4e2a\u4e2a\u4f4d\u6570\u5b57\uff0c\u5e76\u4e14\u5176\u548c\u662f\u5947\u6570\uff0c\u8fd9\u6837\u5c31\u662f\u4e24\u79cd\u60c5\u51b5\uff0c\u53ea\u67091\u4e2a\u5947\u6570\u6216\u8005\u67093\u4e2a\u5947\u6570\u3002\u8981\u4f7f\u548c\u5c3d\u53ef\u80fd\u5927\uff0c\u90a3\u4e48\u4e2a\u4f4d\u6570\u5b57\u8981\u5c3d\u53ef\u80fd\u5c0f\u3002\u5f531\u4e2a\u5947\u6570\u65f6\uff0c\u6700\u5c11\u662f0\uff0b1\uff0b2\uff0b4\uff0b6\uff1d13\uff0c\u5f533\u4e2a\u5947\u6570\u65f6\uff0c\u6700\u5c11\u662f0\uff0b1\uff0b2\uff0b3\uff0b5\uff1d11\uff0c\u6240\u4ee5\u8fd8\u662f\u7528\u540e\u9762\u8fd9\u4e2a\u529e\u6cd5\u3002\u4e2a\u4f4d\u7684\u548c\u662f11\uff0c\u5341\u4f4d\u7684\u6570\u5b57\u548c\u662f4\uff0b6\uff0b7\uff0b8\uff0b9\uff1d34\uff0c\u5373\u603b\u548c\u662f34\u00d710\uff0b11\uff1d351
14.
\u628a100\uff0d80\uff1d20\u5143\u7684\u6bcf1\u5143\u770b\u4f5c1\u4efd\uff0c20\u5143\u5c31\u662f20\u4efd\u3002\u9500\u91cf\u51cf\u5c1120\u4e2a\uff0c\u628a\u8fd920\u4e2a\u770b\u4f5c1\u4efd\uff0c\u90a3\u4e481000\u4e2a\u5c31\u662f50\u4efd\u3002\u5355\u4ef7\u6da81\u4efd\uff0c\u6570\u91cf\u5c31\u5c111\u4efd\uff0c\u5355\u4ef7\u548c\u6570\u91cf\u7684\u6570\u636e\u7684\u548c\u662f\u4e0d\u53d8\u7684\uff0c\u8981\u4f7f\u5355\u4ef7\u548c\u6570\u91cf\u7684\u79ef\u6700\u5927\uff0c\u5c31\u5f97\u8ba9\u4e24\u4e2a\u6570\u636e\u6700\u63a5\u8fd1\uff0c\u6240\u4ee5\u5f53\u4e24\u4e2a\u6570\u636e\u90fd\u662f\uff0850\uff0b20\uff09\u00f72\uff1d35\u4efd\u65f6\uff0c\u5373\u9ad8\u51fa35\uff0d20\uff1d15\u5143\u7684\u65f6\u5019\u3002\u5373\u5b9a\u4ef7\u4e3a100\uff0b15\uff1d115\u5143\u7684\u65f6\u5019\u83b7\u5f97\u7684\u5229\u6da6\u6700\u591a\u3002
15.
\u76f8\u9047\u540e\u7684\u901f\u5ea6\u6bd4\u662f[3\u00d7(1\uff0b20\uff05)]\uff1a[2\u00d7(1\uff0b30\uff05)]\uff1d18\uff1a13\uff0c\u7532\u884c\u5269\u4e0b\u76842\u4efd\u4e59\u5c31\u53ef\u4ee5\u884c2\u00d713/18\uff1d13/9\u4efd\u3002\u8fd8\u5dee3\uff0d13/9\uff1d14/9\u4efd\uff0c\u6240\u4ee5\u6bcf\u4efd\u662f14\u00f714/9\uff1d9\u5343\u7c73\uff0c\u90a3\u4e48AB\u7684\u8ddd\u79bb\u662f9\u00d7\uff083\uff0b2\uff09\uff1d45\u5343\u7c73
\u6211\u627e\u7684ok\uff1f
\u7532\u4e59\u4e8c\u4eba\u5206\u522b\u4eceAB\u4e24\u5730\u540c\u65f6\u51fa\u53d1\u76f8\u5411\u800c\u884c\uff0c\u51fa\u53d1\u65f6\u4ed6\u4eec\u7684\u901f\u5ea6\u6bd4\u662f3\uff1a2\uff0c\u76f8\u9047\u540e\u7532\u7684\u901f\u5ea6\u63d0\u9ad81/5\uff0c\u4e59\u7684\u901f\u5ea6\u63d0\u9ad82/5\uff0c\u5f53\u7532\u5230\u8fbeB\u5730\u65f6\uff0c\u4e59\u79bbA\u5730\u8fd8\u670926KM\u3002\u4e24\u5730\u76f8\u8ddd\u591a\u5c11KM\uff1f
\u8bbeAB\u4e24\u5730\u76f8\u8dddx\u5343\u7c73
[2/(3+2)x]/[3\u00d7(1+1/5)]=[3/(3+2)x-26]/[2\u00d7(1+2/5)]
x/9=3x/14-130/14
13x/126=130/14
x=90
1/1*3+1/2*4+1/3*5+1/4*6+1/5*7......1/98*100+1/99*101
=\uff081-1/3+1/2-1/4+1/3-1/5+1/4-1/6+1/5-1/7+\u2026\u2026+1/98-1/100+1/99-1/101\uff09\u00f72
=\uff081+1/2-1/100-1/101\uff09\u00f72
=15049/10100\u00f72
=15049/20200
\u7532\u3001\u4e59\u3001\u4e19\u4e09\u4eba\u540c\u53bb\u5546\u573a\u8d2d\u7269\uff0c\u7532\u82b1\u94b1\u6570\u76841/2\u7b49\u4e8e\u4e59\u82b1\u94b1\u6570\u76841/3\uff0c\u4e59\u82b1\u94b1\u6570\u76843/4\u7b49\u4e8e\u4e19\u82b1\u94b1\u6570\u76843/5\uff0c\u7ed3\u679c\u4e19\u6bd4\u7532\u591a\u82b1\u4e8698\u5143\u94b1\uff0c\u95ee\u4ed6\u4eec\u5171\u82b1\u4e86\u591a\u5c11\u94b1?
98\u00f7\uff083/4\u00f73/5-1/3\u00f71/2\uff09\u00d7\uff081+1/3\u00f71/2+3/4\u00f73/5\uff09
=98\u00f7\uff085/4-2/3\uff09\u00d7\uff081+2/3+5/4\uff09
=98\u00f77/12\u00d735/12
=168\u00d735/12
=490\u5143
\u7532\u548c\u4e59\u8fdb\u884c100\u7c73\u8dd1\u6b65\u6bd4\u8d5b\uff08\u5047\u8bbe\u4e24\u4eba\u7684\u901f\u5ea6\u4fdd\u6301\u4e0d\u53d8\uff09\uff0c\u5f53\u7532\u8dd1\u4e8675\u7c73\u65f6\uff0c\u4e59\u8dd1\u4e8660\u7c73\u3002\u90a3\u4e48\uff0c\u5f53\u7532\u5230\u8fbe\u7ec8\u70b9\u65f6\uff0c\u4e59\u8dd1\u4e86\u591a\u5c11\u7c73 \uff1f
100\u00d760/75
=100\u00d74/5
=80\u7c73
6\u5206\u4e4b1+12\u5206\u4e4b1+24\u5206\u4e4b1+48\u5206\u4e4b1+96\u5206\u4e4b1+192\u5206\u4e4b1
=1/6\u00d7\uff081+1/2+1/4+1/8+1/16+1/32\uff09
=1/6\u00d7\uff081-1/32\uff09
=1/6-1/192
=31/192
答案是6：5
过程：男生 人数*（78-75.5）=女生人数*（81-87）
男生人数：女生人数=6：5
设男生为M，女生为N
75.5M+81N=78(M+N)
即得M:N=6:5
绛旓細绛旀鏄6锛5 杩囩▼锛氱敺鐢 浜烘暟*锛78-75.5锛=濂崇敓浜烘暟*锛81-87锛夌敺鐢熶汉鏁帮細濂崇敓浜烘暟=6锛5
绛旓細鐡舵暟锛氾紙15-1锛壝凤紙8-2锛=7涓 鑺辨暟锛7脳6-1=41鏈 2.49梅12=4浣1 鑷冲皯鏈4+1=5涓汉鍚屾湀鍑虹敓 3.绠椾笂澶у皬鐜,涓鍏辨湁6绉嶈姳鑹 閭ｄ箞闇瑕佽嚦灏戞娊鍑猴細6+1=7寮 4.璁炬瘡澶寸墰姣忓ぉ鍚冭崏1浠 3澶寸墰,9澶╁悆鑽夛細3脳9=27浠 5澶寸墰,5澶╁悆鑽夛細5脳5=25浠 鐩稿樊锛27-25=2浠 杩2浠,灏辨槸鑽夊湴鍦...
绛旓細1銆佽涔欓槦x浜恒傜敳闃燂紙73.5-73锛墄/(75-73.5)浜 x-锛73.5-73锛墄/(75-73.5)=6 x=9 2銆佽鍘熶环x鍏冦倄(1+40%)*80%=x+270 x=2250 3銆佽璐х墿鏈墄鍚ㄣ(2/5)*x+锛1-2/5锛*x*(1/2)+(2/5)*(1-1/3)*x=120 x=189.47 4銆佽鐢插湴鍒板北椤剁敤x灏忔椂銆3*x+(6.5-x)*5...
绛旓細63,鑳滃埄灏忓鏈変笁涓澶栧皬缁:绉戞妧灏忕粍鏈1O浜,鍗犱笁涓皬缁勬讳汉鏁扮殑2O%,鏂囪壓灏忕粍鍜屼綋鑲插皬缁勬瘮鏄3:2,浣撹偛灏忕粍鏈夊灏戜汉 64,绉嬫敹缁撴潫,寮犲ぇ鐖锋敹鑾蜂竴鍫嗙ɑ璋.鐣欎笅鍏呰冻鐨勫彛绮,浠栧噯澶囨妸鍓╀綑鐨勭ɑ璋峰崠鍑.浜嬪厛浠栦簡瑙ｄ簡涓涓嬪競鍦鸿鎯:绋昏胺姣忓崈鍏1 .50鍏,澶х背姣忓崈鍏 2.20 鍏,绋昏胺鐨勫嚭绫崇巼鏄70%. 濡傛妸绋昏胺鍔犲伐鎴愮背鍚, ...
绛旓細鐢蹭箼浜屼汉鍒嗗埆浠嶢B涓ゅ湴鍚屾椂鍑哄彂鐩稿悜鑰岃锛屽嚭鍙戞椂浠栦滑鐨勯熷害姣旀槸3锛2锛岀浉閬囧悗鐢茬殑閫熷害鎻愰珮1/5锛屼箼鐨勯熷害鎻愰珮2/5锛屽綋鐢插埌杈綛鍦版椂锛屼箼绂籄鍦拌繕鏈26KM銆備袱鍦扮浉璺濆灏慘M锛熻AB涓ゅ湴鐩歌窛x鍗冪背 [2/(3+2)x]/[3脳(1+1/5)]=[3/(3+2)x-26]/[2脳(1+2/5)]x/9=3x/14-130/14 13x/126=...
绛旓細姣1.5m鐖跺瓙淇╅噸鍙犱竴娆★紝鍏辩暀涓7涓剼鍗帮紝1099/7=157锛屽彲鐭ヨ姳鍧涘懆闀夸负1.5*157=235.5m锛屽垯鍏剁洿寰勪负75m 璁炬瘡绠辫x涓嫻鏋滐紝鍏辨湁y涓嫻鏋滐細42x=0.3y 85x+1540=y 鍙緱x=28,y=3920
绛旓細瑙ｏ細鏍规嵁棰樻剰鐭ラ亾鎺掔悆锛氳冻鐞冿細绡悆=9:10:14锛屾帓鐞冿細绡悆=9:14锛屽凡鐭ョ鐞冧笌鎺掔悆鍏辨湁69涓緱鎺掔悆27涓紝绡悆42涓紝鎺掔悆锛氳冻鐞=9:10寰楄冻鐞冩湁30涓紝42-30=12锛屾晠鑰岀鐞冩瘮瓒崇悆澶12涓
绛旓細21鏂よ眴=10鏂ら奔=10*7/12=35/6鏂よ倝=35/6*2/5=7/3鏂ゆ补 1鏂よ眴=7/3/21=1/9鏂ゆ补 27鏂よ眴=27/9=3鏂ゆ补
绛旓細8.8銆12銆13.2杩欎笁涓暟鐨勬渶灏忔暣鏁板嶆暟锛堟渶灏忓叕鍊嶆暟锛夋槸132 132梅8.8=15鍗冨厠 132梅12=11鍗冨厠 132梅13.2=10鍗冨厠 鎬讳环閽憋細13.2脳10脳3=396鍏冿紙涓変釜浠樼殑閽辩浉绛夛紝鐩存帴涔樹笁锛夋昏川閲忥細15+11+10=36鍗冨厠 鍗曚环锛396梅36=11鍏/鍗冨厠 绛旓細鍗曚环涓烘瘡鍗冨厠11鍏冦
绛旓細闂1 濡傛灉涓涓洓浣嶆暟涓庝竴涓笁浣嶆暟鐨勫拰鏄1999锛屽苟涓斿洓浣嶆暟鍜屼笁浣嶆暟鏄敱7涓笉鍚岀殑鏁板瓧缁勬垚鐨勩傞偅涔堬紝杩欐牱鐨勫洓浣嶆暟鏈澶氳兘鏈夊灏戜釜锛熼棶棰2 鏈夊洓寮犲崱鐗囷紝姝ｅ弽闈㈠悇鍐欐湁1涓暟瀛椼傜涓寮犱笂鍐欑殑鏄0鍜1锛屽叾浠栦笁寮犱笂鍒嗗埆鍐欐湁2鍜3锛4鍜5锛7鍜8銆傜幇鍦ㄤ换鎰忓彇鍑哄叾涓殑涓夊紶鍗＄墖锛屾斁鎴愪竴鎺掞紝閭ｄ箞涓鍏卞彲浠...
