\u5b66\u4e60\u6570\u5b66\u79bb\u4e0d\u5f00\u5947\u6570\u548c\u5076\u6570\uff0c\u5728\u6570\u5b66\u4e2d\uff0c\u5947\u5076\u6027\u662f\u5bf9\u4e8e\u6574\u6570\u7684\u4e00\u79cd\u6027\u8d28\uff0c\u6bcf\u4e2a\u6574\u6570\u90fd\u53ef\u88ab\u5206\u4e3a\u5947\u6570\u6216\u5076\u6570\uff0c\u5947\u6570\u548c\u5076\u6570\u5176\u5b9e\u5f88\u597d\u5224\u65ad\uff0c\u5982\uff1a1\u30013\u30015\u30017\u30019\u662f\u5947\u6570\uff1b2\u30014\u30016\u30018\u300110\u662f\u5076\u6570\u3002\u8ba4\u8bc6\u5947\u6570\u4e0e\u5076\u6570\u5f88\u91cd\u8981\uff0c\u4e0b\u9762\u7ed9\u6574\u7406\u4e86\u76f8\u5173\u5185\u5bb9\uff0c\u6b22\u8fce\u9605\u8bfb\u3002<\/p>\n
\u5947\u6570\u548c\u5076\u6570\u5206\u522b\u662f<\/p>\n
\u5947\u6570\u5b9a\u4e49\uff1a<\/p>\n
\u5947\u6570\u4ea6\u79f0\u5355\u6570\uff0c\u662f\u4e00\u7c7b\u91cd\u8981\u7684\u6570\uff0c\u5373\u4e0d\u80fd\u88ab2\u6574\u9664\u7684\u6574\u6570\u3002\u5947\u6570\u5e38\u8868\u793a\u4e3a2n+1\u62162n-1\uff0c\u5176\u4e2dn\u662f\u6574\u6570\u3002\u5076\u6570\u4ea6\u79f0\u53cc\u6570\uff0c\u662f\u4e00\u7c7b\u91cd\u8981\u7684\u6570\uff0c\u5373\u80fd\u88ab2\u6574\u9664\u7684\u6574\u6570\u3002\u5076\u6570\u5e38\u8868\u793a\u4e3a2n\uff0c\u5176\u4e2dn\u662f\u6574\u6570\u3002\u5076\u6570\u7684\u548c\u3001\u5dee\u3001\u79ef\u90fd\u662f\u5076\u6570\u3002<\/p>\n
\u4f8b\uff1a\uff081\uff091\u30013\u30019\u300117\u3001165\u3001473\u90fd\u662f\u5947\u6570\u3002<\/p>\n
\u56e0\u4e3a\uff1a3\u00f72=2\u20261 9\u00f72=4\u20261 17\u00f72=8\u20261<\/p>\n
165\u00f72=84\u20261 473\u00f72=236\u20261\u8fd9\u4e9b\u6570\u90fd\u4e0d\u80fd\u88ab2\u6574\u9664\uff0c\u6240\u4ee5\u90fd\u662f\u5947\u6570\u3002<\/p>\n
\u5076\u6570\u5b9a\u4e49\uff1a<\/p>\n
\u5076\u6570\u662f\u53ef\u4ee5\u88ab2\u6574\u9664\u7684\u6574\u6570\uff0c\u5b83\u4eec\u4ee50\u30012\u30014\u30016\u30018\u7b49\u6570\u5b57\u7ed3\u5c3e\u3002\u5076\u6570\u540c\u6837\u62e5\u6709\u4e00\u4e9b\u6709\u8da3\u7684\u6027\u8d28\uff0c\u6bd4\u5982\u4e24\u4e2a\u5076\u6570\u76f8\u52a0\u6216\u76f8\u4e58\u7ed3\u679c\u90fd\u662f\u5076\u6570\u3002\u7279\u522b\u5730\uff0c\u4efb\u4f55\u4e00\u4e2a\u5076\u6570\u90fd\u53ef\u4ee5\u8868\u793a\u4e3a\u4e24\u4e2a\u8d28\u6570\u4e4b\u548c\uff0c\u8fd9\u4e00\u6027\u8d28\u5728\u8457\u540d\u7684\u201c\u54e5\u5fb7\u5df4\u8d6b\u731c\u60f3\u201d\u4e2d\u6709\u6240\u4f53\u73b0\u3002<\/p>\n
\u5947\u5076\u6570\u6027\u8d28\uff1a<\/p>\n
\uff081\uff09\u5947\u6570\u4e0d\u4f1a\u540c\u65f6\u662f\u5076\u6570\uff0c\u4e24\u4e2a\u8fde\u7eed\u6574\u6570\u4e2d\u5fc5\u662f\u4e00\u4e2a\u5947\u6570\u4e00\u4e2a\u5076\u6570\u3002<\/p>\n
\uff082\uff09\u5947\u6570\u4e2a\u5947\u6570\u548c\u662f\u5947\u6570\uff0c\u5076\u6570\u4e2a\u5947\u6570\u7684\u548c\u662f\u5076\u6570\uff0c\u4efb\u610f\u591a\u4e2a\u5076\u6570\u7684\u548c\u662f\u5076\u6570\u3002<\/p>\n
\uff083\uff09\u4e24\u4e2a\u5947\uff08\u5076\uff09\u6570\u7684\u5dee\u662f\u5076\u6570\uff0c\u4e00\u4e2a\u5076\u6570\u4e0e\u4e00\u4e2a\u5947\u6570\u7684\u5dee\u662f\u5947\u6570\u3002<\/p>\n
\uff084\uff09 \u82e5a\u3001b\u4e3a\u6574\u6570\uff0c\u5219a+b\u4e0ea-b\u6709\u76f8\u540c\u7684\u5947\u5076\u3002<\/p>\n
\uff085\uff09n\u4e2a\u5947\u6570\u7684\u4e58\u79ef\u662f\u5947\u6570\uff0cn\u4e2a\u5076\u6570\u7684\u4e58\u79ef\u662f2n\u7684\u500d\u6570\uff0c\u987a\u5f0f\u4e2d\u6709\u4e00\u4e2a\u662f\u5076\u6570\uff0c\u5219\u4e58\u79ef\u662f\u5076\u6570\u3002<\/p>\n
\u5947\u6570\u4e0e\u5076\u6570\u7684\u8fd0\u7b97\u89c4\u5f8b\uff1a<\/p>\n
\u52a0\u6cd5\u8fd0\u7b97\u89c4\u5f8b\uff1a\u5728\u52a0\u6cd5\u8fd0\u7b97\u4e2d\uff0c\u5947\u6570+\u5947\u6570=\u5076\u6570\uff0c\u5076\u6570+\u5076\u6570=\u5076\u6570\uff0c\u5947\u6570+\u5076\u6570=\u5947\u6570\u3002<\/p>\n
\u51cf\u6cd5\u8fd0\u7b97\u89c4\u5f8b\uff1a\u51cf\u6cd5\u8fd0\u7b97\u4e2d\uff0c\u5947\u6570-\u5947\u6570=\u5076\u6570\uff0c\u5076\u6570-\u5076\u6570=\u5076\u6570\uff0c\u5947\u6570-\u5076\u6570=\u5947\u6570\u3002<\/p>\n
\u4e58\u6cd5\u8fd0\u7b97\u89c4\u5f8b\uff1a\u4e58\u6cd5\u8fd0\u7b97\u4e2d\uff0c\u5947\u6570\u00d7\u5947\u6570=\u5947\u6570\uff0c\u5076\u6570\u00d7\u5076\u6570=\u5076\u6570\uff0c\u5947\u6570\u00d7\u5076\u6570=\u5076\u6570\u3002<\/p>\n
\u9664\u6cd5\u8fd0\u7b97\u89c4\u5f8b\uff1a\u9664\u6cd5\u8fd0\u7b97\u4e2d\uff0c\u5f53\u88ab\u9664\u6570\u548c\u9664\u6570\u540c\u4e3a\u5947\u6570\u6216\u5076\u6570\u65f6\uff0c\u5546\u4e3a\u5947\u6570\uff1b\u5f53\u88ab\u9664\u6570\u548c\u9664\u6570\u4e00\u5947\u4e00\u5076\u65f6\uff0c\u5546\u4e3a\u5076\u6570\u3002<\/p>\n
\u5e94\u7528\uff1a<\/p>\n
1\u3001\u89e3\u4e0d\u5b9a\u65b9\u7a0b<\/p>\n
\u5f53\u672a\u77e5\u6570\u7684\u4e2a\u6570\u591a\u4e8e\u65b9\u7a0b\u7684\u4e2a\u6570\uff0c\u5728\u4e0d\u5b9a\u65b9\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u6570\u5b57\u7684\u5947\u5076\u6027\u6392\u9664\u9519\u8bef\u9009\u9879\u3002<\/p>\n
\u3010\u4f8b\u98981\u3011 \u67d0\u56fd\u5bb6\u5bf9\u5c45\u6c11\u6536\u5165\u5b9e\u884c\u4e0b\u5217\u7a0e\u7387\u65b9\u6848\uff1b\u6bcf\u4eba\u6bcf\u6708\u4e0d\u8d85\u8fc73000\u7f8e\u5143\u7684\u90e8\u5206\u6309\u71671%\u7a0e\u7387\u5f81\u6536\uff0c\u8d85\u8fc73000\u7f8e\u5143\u4e0d\u8d85\u8fc76000\u7f8e\u5143\u7684\u90e8\u5206\u6309\u7167X%\u7a0e\u7387\u5f81\u6536\uff0c\u8d85\u8fc76000\u7f8e\u5143\u7684\u90e8\u5206\u6309Y%\u7a0e\u7387\u5f81\u6536\uff08X\uff0cY\u4e3a\u6574\u6570\uff09\u3002\u5047\u8bbe\u8be5\u56fd\u67d0\u5c45\u6c11\u6708\u6536\u5165\u4e3a6500\u7f8e\u5143\uff0c\u652f\u4ed8\u4e86120\u7f8e\u5143\u6240\u5f97\u7a0e\uff0c\u5219Y\u4e3a\u591a\u5c11\uff1f<\/p>\n
A.6 B.3 C.5 D.4<\/p>\n
\u3010\u7b54\u6848\u3011 A<\/p>\n
\u3010\u89e3\u6790\u3011 \u6839\u636e\u9898\u610f\u6211\u4eec\u53ef\u4ee5\u77e5\u90533000\u00d71%+3000\u00d7x%+500\u00d7y%=120\uff0c\u90a3\u4e486x+y=18\uff0cx\u3001y\u90fd\u662f\u6574\u6570\uff0c6x\u4e00\u5b9a\u4e3a\u5076\u6570\uff0c\u53ef\u4ee5\u5f97\u5230y\u4e3a\u5076\u6570\uff0c\u6392\u9664B\u3001C\uff1b\u7531\u4e8ex\uff0cy\u4e3a\u6574\u6570\uff0cy=6\u6ee1\u8db3\u6761\u4ef6\uff0c\u9009\u62e9A\u3002\u6545\u6b63\u786e\u9009\u9879\u662fA\u3002<\/p>\n
2\u3001\u8ba1\u7b97\u9898\u5de7\u89e3<\/p>\n
\u3010\u4f8b\u98982\u3011\u6bcf\u5e74\u4e09\u6708\u67d0\u5355\u4f4d\u90fd\u8981\u7ec4\u7ec7\u5458\u5de5\u53bbA.B\u4e24\u5730\u53c2\u52a0\u690d\u6811\u6d3b\u52a8\uff0c\u5df2\u77e5\u53bbA\u5730\u6bcf\u4eba\u5f80\u8fd4\u8f66\u8d3920\u5143\uff0c\u4eba\u5747\u690d\u68115\u68f5\uff0c\u53bbB\u5730\u6bcf\u4eba\u5f80\u8fd4\u8f66\u8d3930\u5143\uff0c\u4eba\u5747\u690d\u68113\u68f5\uff0c\u8bbe\u5230A\u5730\u5458\u5de5\u6709x\u4eba\uff0cA\uff0cB\u4e24\u5730\u5171\u690d\u6811Y\u68f5\uff0cY\u4e0eX\u4e4b\u95f4\u6ee1\u8db3Y=8X-15\uff0c\u82e5\u5f80\u8fd4\u8f66\u8d39\u603b\u548c\u4e0d\u8d85\u8fc73000\u5143\uff0c\u90a3\u4e48\uff0c\u6700\u591a\u53ef\u690d\u6811\u591a\u5c11\u68f5\uff1f<\/p>\n
A.498 B.400 C.489 D.500<\/p>\n
\u3010\u7b54\u6848\u3011 C<\/p>\n
\u3010\u89e3\u6790\u3011 \u6839\u636e\u9898\u610f\u53ef\u77e5\u6211\u4eec\u6700\u540e\u9700\u8981\u901a\u8fc7\u7b97\u51faX\uff0c\u7136\u540e\u4ee3\u5165\u5230\u5217\u5f0f\u4e2d\u5f97\u51faY\u7b49\u4e8e\u591a\u5c11\uff0c\u4f46\u662f\u8fd9\u9053\u9898\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9898\u610f\u8fc5\u901f\u5224\u65ad\u51fa\uff0c8X\u4e00\u5b9a\u662f\u4e00\u4e2a\u5076\u6570\uff0c\u7136\u540e\u518d\u51cf\u53bb15\uff0c\u6700\u540e\u7ed3\u679c\u4e00\u5b9a\u662f\u4e00\u4e2a\u5947\u6570\uff0c\u56e0\u6b64\u7ed3\u5408\u9009\u9879\u53ea\u6709\u4e00\u4e2aC\u9009\u9879\u3002\u6545\u6b63\u786e\u9009\u9879\u662fC\u3002<\/p>\n
3\u3001\u5df2\u77e5\u4e24\u6570\u4e4b\u548c\u6216\u4e4b\u5dee\uff0c\u6c42\u4e24\u6570\u4e4b\u5dee\u6216\u4e4b\u548c<\/p>\n
\u3010\u4f8b\u98983\u3011\u4e00\u4e2a\u4eba\u5230\u4e66\u5e97\u8d2d\u4e70\u4e86\u4e00\u672c\u4e66\u548c\u4e00\u672c\u6742\u5fd7\uff0c\u5728\u4ed8\u94b1\u65f6\uff0c\u4ed6\u628a\u4e66\u7684\u5b9a\u4ef7\u4e2d\u7684\u4e2a\u4f4d\u4e0a\u7684\u6570\u5b57\u548c\u5341\u4f4d\u4e0a\u7684\u770b\u53cd\u4e86\uff0c\u51c6\u5907\u4ed821\u5143\u53d6\u8d27\u3002\u552e\u8d27\u5458\u8bf4\uff1a\u201c\u60a8\u5e94\u8be5\u4ed839\u5143\u624d\u5bf9\u3002\u201d\u8bf7\u95ee\u4e66\u6bd4\u6742\u5fd7\u8d35\u591a\u5c11\u94b1\uff1f<\/p>\n
A.20 B.21 C.23 D.24<\/p>\n
\u3010\u7b54\u6848\u3011 C<\/p>\n
\u3010\u89e3\u6790\u3011\u4f9d\u9898\u610f\u4e66\u4e0e\u6742\u5fd7\u548c\u4e3a39\uff0c\u6839\u636e\u4e24\u6570\u548c\u4e0e\u4e24\u6570\u5dee\u540c\u5947\u540c\u5076\uff0c\u6240\u4ee5\u7b54\u6848\u4e00\u5b9a\u4e3a\u5947\u6570\uff0c\u6392\u9664B\u3001D\u3002\u4ee3\u5165C\u540e\uff0c\u5f97\u5230\u4e66\u4e3a31\uff0c\u6742\u5fd7\u4e3a8\uff0c\u4e66\u4ef7\u770b\u98a0\u5012\u540e\u4e3a13\uff0c13+8=21\u5143\uff0c\u5b8c\u5168\u543b\u5408\u9898\u610f\uff0c\u6240\u4ee5\u7b54\u6848\u4e3aC\u3002\u6545\u6b63\u786e\u9009\u9879\u662fC\u3002<\/p>\n
4\u3001\u5947\u5076\u6027\u64cd\u4f5c\u6027\u95ee\u9898<\/p>\n
\u5373\u5f04\u6e05\u4e00\u4ef6\u4e8b\u60c5\u7684\u521d\u59cb\u72b6\u6001\uff0c\u8fdb\u884c\u5076\u6570\u6b21\u64cd\u4f5c\uff0c\u4f1a\u56de\u5230\u521d\u59cb\u72b6\u6001\uff1b\u8fdb\u884c\u5947\u6570\u6b21\u64cd\u4f5c\uff0c\u4f1a\u548c\u521d\u59cb\u72b6\u6001\u76f8\u53cd\u3002<\/p>\n
\u3010\u4f8b\u98984\u3011\u684c\u4e0a\u653e\u67092013\u679a\u6b63\u9762\u671d\u4e0b\u7684\u786c\u5e01\uff0c\u7b2c\u4e00\u6b21\u7ffb\u52a8\u5176\u4e2d1\u679a\uff0c\u7b2c\u4e8c\u6b21\u7ffb\u52a8\u5176\u4e2d\u76842\u679a\uff0c\u7b2c\u4e09\u6b21\u7ffb\u52a8\u5176\u4e2d\u7684\u4e09\u679a\uff0c\u2026\u2026\u7b2c2013\u6b21\u7ffb\u52a82013\u679a\uff0c\u7ecf\u8fc72013\u6b21\u7ffb\u52a8\u540e\uff0c\u80fd\u5426\u4f7f\u8fd92013\u679a\u786c\u5e01\u6b63\u9762\u671d\u4e0a\uff1f\u8bf4\u660e\u7406\u7531\uff1f<\/p>\n
\u3010\u89e3\u6790\u3011<\/p>\n
\u5f00\u59cb\u65f6\u6bcf\u4e00\u679a\u786c\u5e01\u90fd\u662f\u6b63\u9762\u671d\u4e0b\uff0c\u8981\u4f7f\u6240\u6709\u786c\u5e01\u6b63\u9762\u671d\u4e0a\uff0c\u5219\u6bcf\u4e00\u679a\u786c\u5e01\u90fd\u9700\u8981\u64cd\u4f5c\u5947\u6570\u6b21\u3002\u4e00\u5171\u64cd\u4f5c\u7684\u6b21\u6570\u4e3a\uff1a1+2+3+\u2026\u2026+2013=\uff081+2013\uff09\u00d72013\u00f72=2013\u00d71007\uff0c\u76f8\u5f53\u4e8e2013\u679a\u786c\u5e01\uff0c\u6bcf\u4e00\u679a\u90fd\u64cd\u4f5c\u4e861007\u6b21\uff0c\u53732013\u4e2a\u5947\u65701007\u76f8\u52a0\uff0c\u6240\u4ee5\u8fd92013\u679a\u786c\u5e01\u90fd\u53ef\u4ee5\u64cd\u4f5c\u5947\u6570\u6b21\uff0c\u6545\u8fd92013\u679a\u786c\u5e01\u90fd\u53ef\u4ee5\u6b63\u9762\u671d\u4e0a\u3002<\/p>\n
\u7ec3\u4e60\uff1a<\/p>\n
1.\u4e0b\u9762\u5404\u9898\u7684\u7ed3\u679c\u662f\u5947\u6570\u8fd8\u662f\u5076\u6570\uff1a<\/p>\n
\u24602009\u00d72009+2009\u7684\u7ed3\u679c\u662f\uff08 \uff09 \u24612009\u00d72010+2009\u7684\u7ed3\u679c\u662f\uff08 \uff09\u24621+3+5+\u2026\u2026+97+99\u7684\u7ed3\u679c\u662f\uff08 \uff09 \u24631+2+\u2026\u2026+99+100\u7684\u7ed3\u679c\u662f\uff08 \uff09<\/p>\n
2.1\u00d73\u00d75\u00d77\u00d79\u00d711\u00d712\u00d713\u7684\u79ef\u662f\u5076\u6570\u8fd8\u662f\u5947\u6570\uff1f<\/p>\n
3.\u75281\u30012\u30013\u30014\u30015\u8fd95\u4e2a\u6570\uff0c\u4e24\u4e24\u76f8\u4e58\uff0c\u53ef\u4ee5\u5f97\u523010\u4e2a\u4e0d\u540c\u7684\u79ef\uff0c\u95ee\uff1a\u79ef\u4e2d\u662f\u5947\u6570\u591a\uff0c\u8fd8\u662f\u5076\u6570\u591a\uff1f<\/p>\n
4.\u4e09\u4e2a\u8fde\u7eed\u7684\u5947\u6570\u4e4b\u548c\u662f135\uff0c\u6c42\u8fd9\u4e09\u4e2a\u5947\u6570\u5206\u522b\u662f\u591a\u5c11\uff1f<\/p>\n
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