{"id":5279,"date":"2022-02-22T03:23:55","date_gmt":"2022-02-21T19:23:55","guid":{"rendered":"https:\/\/www.systemsci.org\/jinshanw\/?p=5279"},"modified":"2022-03-21T22:37:48","modified_gmt":"2022-03-21T14:37:48","slug":"5279","status":"publish","type":"post","link":"https:\/\/www.systemsci.org\/jinshanw\/2022\/02\/22\/5279\/","title":{"rendered":"\u6570\u5b66\u5b66\u4e60\u548c\u89e3\u9898\u79d8\u8bc0"},"content":{"rendered":"\n<h1>\u6570\u5b66\u5b66\u4e60\u548c\u89e3\u9898\u79d8\u8bc0<\/h1>\n\n\n\n<p>\u5434\u91d1\u95ea<\/p>\n\n\n\n<h2>\u6570\u5b66\u5b66\u4e60\u79d8\u8bc0<\/h2>\n\n\n\n<p><strong>\u6570\u5b66\u5b66\u4e60\u79d8\u8bc0\uff1a\u641e\u6e05\u695a\u65b0\u5b66\u7684\u6982\u5ff5\u548c\u5df2\u7ecf\u5b66\u4f1a\u7684\u6982\u5ff5\u662f\u4ec0\u4e48\u5173\u7cfb\u3002\u6570\u5b66\u662f\u601d\u7ef4\u7684\u8bed\u8a00\u3002<\/strong><\/p>\n\n\n\n<p>\u63d0\u51fa\u548c\u5b66\u4e60\u6570\u5b66\u6982\u5ff5\u7684\u4f8b\u5b50\u5c31\u4e0d\u6574\u7406\u5728\u8fd9\u91cc\u4e86\u3002\u4e0b\u9762\u662f\u8fd9\u4e2a\u79d8\u8bc0\u5728\u89e3\u9898\u4e0a\u7684\u4e3e\u4f8b\u3002<\/p>\n\n\n\n<h2>\u6570\u5b66\u89e3\u9898\u79d8\u8bc0<\/h2>\n\n\n\n<p><strong>\u6570\u5b66\u89e3\u9898\u79d8\u8bc0\uff1aWhat\u2014\u2014\u8981\u7b97\u51fa\u6765\u7684\u662f\u4ec0\u4e48\uff0c\u5df2\u77e5\u7684\u662f\u4ec0\u4e48\uff1bHow\u2014\u2014\u6bcf\u4e00\u6b65\u90fd\u641e\u6e05\u695a\u7b97\u51fa\u6765\u7684\u4e1c\u897f\u662f\u4ec0\u4e48\uff0c\u8fd9\u4e2a\u4e1c\u897f\u548c\u5df2\u7ecf\u77e5\u9053\u7684\u4e1c\u897f\u6709\u4ec0\u4e48\u5173\u7cfb\uff0c\u548c\u8981\u7b97\u51fa\u6765\u7684\u4e1c\u897f\u6709\u4ec0\u4e48\u5173\u7cfb\uff0c\u5b83\u4eec\u662f\u5982\u4f55\u8054\u7cfb\u8d77\u6765\u7684\uff1bWhy\u2014\u2014\u8fd9\u4e2a\u8054\u7cfb\u7528\u4ec0\u4e48\u6570\u5b66\u8868\u8fbe\u5f0f\u6765\u8868\u8fbe\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u6837\u8868\u8fbe\uff0c\u4e3a\u4ec0\u4e48\u5b83\u4eec\u4e4b\u95f4\u6709\u8fd9\u4e2a\u5173\u7cfb\uff1bMeaningful\u2014\u2014\u95ee\u9898\u89e3\u51b3\u4e86\u5417\uff0c\u8fd8\u6709\u5176\u4ed6\u89e3\u51b3\u65b9\u6848\u5417\uff0c\u6211\u4ece\u4e2d\u80fd\u591f\u83b7\u53d6\u4ec0\u4e48\u6837\u7684\u6982\u5ff5\u77e5\u8bc6\u548c\u601d\u7ef4\u65b9\u5f0f\u3001\u5206\u6790\u65b9\u6cd5\u5c42\u9762\u77e5\u8bc6\u7684\u542f\u53d1\uff1f\u6ca1\u51c6\uff0c\u8fd8\u80fd\u8fdb\u4e00\u6b65\u62d3\u5c55\u4e00\u4e0b\uff0c\u627e\u5230\u548c\u5176\u4ed6\u95ee\u9898\u6216\u8005\u77e5\u8bc6\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u751a\u81f3\u68c0\u9a8c\u4e00\u4e0b\uff1f<\/strong><\/p>\n\n\n\n<p>\u4e3e\u4f8b\uff1a\u4e00\u6279\u5de5\u4e1a\u6700\u65b0\u52a8\u6001\u4fe1\u606f\u8f93\u5165\u7ba1\u7406\u50a8\u5b58\u7f51\u7edc\uff0c\u7532\u72ec\u505a\u97006\u5c0f\u65f6\uff0c\u4e59\u72ec\u505a\u97004\u5c0f\u65f6\uff0c\u7532\u5148\u505a30\u5206\u949f\uff0c\u7136\u540e\u7532\u3001\u4e59\u4e00\u8d77\u505a\uff0c\u5219\u7532\u3001\u4e59\u4e00\u8d77\u505a\u8fd8\u9700\u591a\u5c11\u5c0f\u65f6\u624d\u80fd\u5b8c\u6210\u5de5\u4f5c\uff1f<\/p>\n\n\n\n<p>\u5148\u641e\u6e05\u695a\u6bcf\u4e00\u4e2a\u5173\u7cfb\u90fd\u77e5\u9053\u5982\u4f55\u8f6c\u5316\u6210\u7b97\u5f0f\u3002\u5305\u542b\uff1a<\/p>\n\n\n\n<ol><li>\u5728\u603b\u5de5\u4f5c\u91cfw\u3001\u5355\u4f4d\u65f6\u95f4\uff08\u6bcf\u5c0f\u65f6\u3001\u6bcf\u5929\u3001\u6bcf\u4e2a\u6708\u7b49\uff09\u7684\u5de5\u4f5c\u901f\u5ea6v\u3001\u5de5\u4f5c\u65f6\u95f4\u957f\u5ea6t\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\uff1aw=v*t=v+v+&#8230;+v 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w2=w-w1\u3002<\/li><\/ol>\n\n\n\n<p>\u8fd9\u4e9b\u6700\u7b80\u5355\u7684\u5173\u7cfb\u548c\u7b97\u5f0f\u7684\u5bf9\u5e94\u5173\u7cfb\u641e\u6e05\u695a\uff0c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u4f1a\u6709\u8fd9\u6837\u7684\u5bf9\u5e94\u5173\u7cfb\u4e5f\u641e\u6e05\u695a\uff08\u603b\u5171\u5c31\u56db\u79cd\u5173\u7cfb\uff1a\u52a0\u6cd5\u2014\u2014\u548c\u8d77\u6765\u6570\u4e00\u6570\uff0c\u51cf\u6cd5\u2014\u2014\u6574\u4f53\u91cc\u9762\u53bb\u6389\u4e00\u90e8\u5206\uff0c\u4e58\u6cd5\u2014\u2014\u91cd\u590d\u7684\u52a0\u6cd5\uff0c\u9664\u6cd5\u2014\u2014\u91cd\u590d\u7684\u51cf\u6cd5\uff09\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u4e0a\u9762\u7684\u79d8\u8bc0\u2014\u2014\u5148\u641e\u6e05\u695a\u6bcf\u4e00\u6b65\u9700\u8981\u7b97\u51fa\u6765\u4ec0\u4e48\u3001\u7b97\u51fa\u6765\u7684\u662f\u4ec0\u4e48\uff0c\u548c\u5176\u4ed6\u7684\u4e1c\u897f\u6709\u4ec0\u4e48\u5173\u7cfb\uff0c\u6765\u89e3\u51b3\u66f4\u52a0\u590d\u6742\u7684\u95ee\u9898\u4e86\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\uff0c\u6211\u4eec\u6765\u8fd0\u7528\u89e3\u9898\u79d8\u8bc0\u4ee5\u53ca\u524d\u9762\u7684\u5173\u4e8e\u4e09\u6761\u7b80\u5355\u5173\u7cfb\u7684\u7b97\u5f0f\u7684\u77e5\u8bc6\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n<ol><li>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6700\u540e\u9700\u8981\u77e5\u9053\u7532\u548c\u4e59\u5408\u8d77\u6765\u5b8c\u6210\u67d0\u4e2a\u4efb\u52a1\u7684\u65f6\u95f4\uff0c\u5219\u6211\u4eec\u80af\u5b9a\u8981\u77e5\u9053\u5f53\u65f6\u8981\u5b8c\u6210\u7684\u4efb\u52a1\u7684\u603b\u91cfw2\u3001\u7532\u548c\u4e59\u5408\u8d77\u6765\u7684\u5b8c\u6210\u5de5\u4f5c\u7684\u901f\u5ea6v12\u3002\u5982\u679c\u77e5\u9053\uff0c\u5c31\u53ef\u4ee5\u7528w2=v12*t\uff0c\u6216\u8005t=w2\/v12\u3002<ol type=\"a\"><li>\u4e3a\u4e86\u77e5\u9053\u7532\u548c\u4e59\u5408\u8d77\u6765\u7684\u5b8c\u6210\u5de5\u4f5c\u7684\u901f\u5ea6v\uff0c\u6211\u4eec\u9700\u8981\u77e5\u9053\u7532v1\u548c\u4e59v2\u5404\u81ea\u5b8c\u6210\u5de5\u4f5c\u7684\u901f\u5ea6\u3002\u5982\u679c\u77e5\u9053\uff0c\u5c31\u53ef\u4ee5\u7528v12=v1+v2\u3002<ol><li>\u6211\u4eec\u4e0d\u80fd\u76f4\u63a5\u77e5\u9053\u7532v1\u548c\u4e59v2\u5404\u81ea\u5b8c\u6210\u5de5\u4f5c\u7684\u901f\u5ea6\uff0c\u4f46\u662f\uff0c\u6211\u4eec\u5982\u679c\u77e5\u9053\u5de5\u4f5c\u603b\u91cfw\uff0c\u5219v1=w\/t1\uff0cv2=w\/t2\u3002<ol type=\"a\"><li>t1\u5df2\u77e5\u4e3a6\u5c0f\u65f6\uff0ct2\u5df2\u77e5\u4e3a4\u5c0f\u65f6\u3002\u5b8c\u5168\u5df2\u77e5\u3002<\/li><li>w\u672a\u77e5\uff0c\u5148\u7559\u7740\u3002<\/li><\/ol><\/li><\/ol><\/li><li>\u4e3a\u4e86\u77e5\u9053\u8981\u77e5\u9053\u5f53\u65f6\u8981\u5b8c\u6210\u7684\u4efb\u52a1\u7684\u603b\u91cf\uff0c\u6211\u4eec\u9700\u8981\u77e5\u9053\u4e4b\u524d\u7684\u4efb\u52a1\u7684\u603b\u91cfw\u548c\u5df2\u7ecf\u5b8c\u6210\u7684\u4efb\u52a1\u7684\u91cfw1\u3002\u5982\u679c\u77e5\u9053\uff0c\u5c31\u53ef\u4ee5\u7528w2=w-w1\u3002<ol><li>\u6211\u4eec\u77e5\u9053\u4e86\u7532\u7684\u5de5\u4f5c\u901f\u5ea6v1=w\/t1\uff0c\u5de5\u4f5c\u4e86t3=0.5\u5c0f\u65f6\u4e4b\u540e\uff0c\u5b8c\u6210\u7684\u5de5\u4f5c\u91cf\u662fw1=v1*t3\u3002<\/li><li>\u5269\u4f59\u7684\u5de5\u4f5c\u91cf\uff0c\u5982\u679c\u539f\u6765\u6700\u5f00\u59cb\u7684\u5de5\u4f5c\u91cfw\u5df2\u77e5\u7684\u8bdd\uff0c\u5c31\u662fw2=w-w1=w-w\/t1*t3\u3002<ol type=\"a\"><li>\u4ecd\u7136\uff0c\u9664\u4e86w\u672a\u77e5\uff0c\u5176\u4ed6\u90fd\u77e5\u9053\u4e86\uff0c\u5148\u7559\u7740w\u3002<\/li><\/ol><\/li><\/ol><\/li><\/ol><\/li><li>\u628a\u8fd9\u4e9b\u5173\u7cfb\u5408\u8d77\u6765\uff0c\u6211\u4eec\u6709t=w2\/v12=(w-w1)\/(v1+v2)=(w-w\/t1*t3)\/(w\/t1+w\/t2)=(w-w\/6*0.5)\/(w\/6+w\/4)\u3002\u5206\u5b50\u5206\u6bcd\u540c\u65f6\u4e58\u4ee51\/w\uff0c\u5f97\u5230t=(1-1\/6*0.5)\/(1\/6+1\/4)=(1-1\/12)\/(2\/12+3\/12)=11\/5 (\u5c0f\u65f6)\u3002<\/li><\/ol>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u628a\u6240\u6709\u7684\u91cf\u90fd\u5199\u6210\u4ee5\u7532\u7684\u5de5\u4f5c\u901f\u5ea6v\u5f53\u4f5c\u53d8\u91cf\u7684\u5f62\u5f0f\u3002<\/p>\n\n\n\n<ol><li>\u5982\u679c\u5df2\u77e5\u7532\u7684\u5de5\u4f5c\u901f\u5ea6v\uff0c\u5219\u5de5\u4f5c\u603b\u91cf\u4e3aw=v*t1\u3002<\/li><li>\u4e8e\u662f\uff0c\u4e59\u7684\u5de5\u4f5c\u901f\u5ea6\u4e3av=w\/t2=v*t1\/t2\u3002<\/li><li>\u5219\u7532\u548c\u4e59\u5408\u8d77\u6765\u7684\u5de5\u4f5c\u901f\u5ea6\u662fv12=v1+v2=v+v*t1\/t2\u3002<\/li><li>\u7136\u540e\uff0c\u7532\u5de5\u4f5c\u534a\u5c0f\u65f6t3=0.5\u5b8c\u6210\u7684\u5de5\u4f5c\u91cf\u662fw1=v*t3\u3002<\/li><li>\u5269\u4f59\u7684\u5de5\u4f5c\u91cf\u662fw2=w-w1=v*t1-v*t3\u3002<\/li><li>\u5269\u4e0b\u7684\u5de5\u4f5c\u7531\u7532\u548c\u4e59\u5171\u540c\u5b8c\u6210\uff0c\u9700\u8981\u7684\u65f6\u95f4\u662ft=w2\/(v1+v2)=(v*t1-v*t3)\/(v+v*t1\/t2)=(v*6-v*0.5)\/(v+v*6\/4)\u3002\u5206\u5b50\u5206\u6bcd\u540c\u65f6\u4e58\u4ee51\/v\uff0c\u5f97\u5230t=(6-0.5)\/(1+6\/4)=(11\/2)\/(5\/2)= 11\/5 (\u5c0f\u65f6)\u3002<\/li><\/ol>\n\n\n\n<p>\u8bb0\u4f4f\uff0c\u4e0d\u7ba1\u591a\u4e48\u590d\u6742\uff0c\u6211\u4eec\u4e0d\u8fc7\u662f\u7528\u4e86\u8fd9\u4e2a\u6570\u5b66\u89e3\u9898\u79d8\u8bc0\uff1a<strong>\u6bcf\u4e00\u6b65\u77e5\u9053\u8981\u7b97\u51fa\u6765\u4ec0\u4e48\uff0c\u7b97\u51fa\u6765\u7684\u662f\u4ec0\u4e48\uff0c\u7b97\u51fa\u6765\u7684\u4e1c\u897f\u548c\u5df2\u77e5\u7684\u4e1c\u897f\u662f\u4ec0\u4e48\u5173\u7cfb\uff0c\u7b97\u51fa\u6765\u7684\u4e1c\u897f\u548c\u5c06\u6765\u8981\u7b97\u51fa\u6765\u7684\u4e1c\u897f\u662f\u4ec0\u4e48\u5173\u7cfb\uff0c\u8fd9\u4e9b\u5173\u7cfb\u5982\u4f55\u7528\u6570\u5b66\u8868\u8fbe\u5f0f\u6765\u8868\u8fbe\u3002<\/strong><\/p>\n\n\n\n<h3>\u5217\u65b9\u7a0b\u89e3\u5e94\u7528\u9898<\/h3>\n\n\n\n<p>\u5217\u65b9\u7a0b\u89e3\u5e94\u7528\u9898\u548c\u524d\u9762\u7684\u89e3\u9898\u6280\u5de7\u5b9e\u9645\u4e0a\u662f\u4e00\u6837\u7684\uff0c\u4e0d\u8fc7\uff0c\u66f4\u7b80\u5355\uff0c\u628a\u4efb\u4f55\u672a\u77e5\u7684\u4e1c\u897f\u90fd\u5148\u7528\u4e00\u4e2a\u5b57\u6bcd\u6765\u8868\u793a\uff0c\u7136\u540e\u53ea\u8981\u987a\u7740\u5173\u7cfb\u6765\u60f3\u3002<\/p>\n\n\n\n<p><strong>\u5217\u65b9\u7a0b\u6c42\u89e3\u5e94\u7528\u9898\u79d8\u8bc0\uff1a<\/strong><\/p>\n\n\n\n<p><strong>1. <\/strong><strong>\u627e\u5230\u6700\u5173\u952e\u7684\u4e1c\u897f\uff08\u6700\u5173\u952e\u7684\u610f\u601d\u662f\u77e5\u9053\u4e86\u5b83\u5c31\u77e5\u9053\u4e86\u5f88\u591a\u5176\u4ed6\u4e1c\u897f\uff09\uff0c\u628a\u5b83\u7684\u91cf\u8bbe\u4e3a\u672a\u77e5\u6570\uff1b<\/strong><\/p>\n\n\n\n<p><strong>2. <\/strong><strong>\u628a\u5176\u4ed6\u7684\u4e1c\u897f\uff0c\u6309\u7167\u8fd9\u4e9b\u4e1c\u897f\u548c\u672a\u77e5\u6570\u6240\u4ee3\u8868\u7684\u4e1c\u897f\u7684\u5173\u7cfb\uff0c\u5199\u51fa\u6765\u5305\u542b<\/strong><strong>x<\/strong><strong>\u7684\u8868\u8fbe\u5f0f\uff1b<\/strong><\/p>\n\n\n\n<p><strong>3. <\/strong><strong>\u627e\u5230\u6240\u6709\u7684\u4e1c\u897f\u4e4b\u95f4\u7684\u6700\u540e\u7684\u5927\u7684\u5173\u7cfb\uff0c\u901a\u5e38\u662f\u4e00\u4e2a\u4e0d\u53d8\u91cf\uff0c\u6216\u8005\u4e00\u4e2a\u7b49\u5f0f\uff0c\u5f97\u5230\u5305\u542b<\/strong><strong>x<\/strong><strong>\u7684\u65b9\u7a0b\uff1b<\/strong><\/p>\n\n\n\n<p><strong>4. <\/strong><strong>\u6c42\u89e3\u65b9\u7a0b\uff08\u5bf9\u65b9\u7a0b\u5de6\u53f3\u4e24\u8fb9\u4e0d\u65ad\u5730\u540c\u65f6\u505a\u52a0\u51cf\u4e58\u9664\u540c\u4e00\u4e2a\u6570\uff09\u5f97\u5230<\/strong><strong>x<\/strong><strong>\uff1b<\/strong><\/p>\n\n\n\n<p><strong>5. <\/strong><strong>\u4ece<\/strong><strong>x<\/strong><strong>\u5f97\u5230\u5176\u4ed6\u4e1c\u897f\u7684\u91cf\uff0c\u56de\u7b54\u95ee\u9898\u3002<\/strong><\/p>\n\n\n\n<p>\u4e3e\u4f8b\uff1a\u6709\u56db\u53ea\u76d2\u5b50\uff0c\u5171\u88c5\u4e8645\u4e2a\u5c0f\u7403\uff0e\u5982\u53d8\u52a8\u4e00\u4e0b\uff0c\u7b2c\u4e00\u76d2\u51cf\u5c112\u4e2a\uff1b\u7b2c\u4e8c\u76d2\u589e\u52a02\u4e2a\uff1b\u7b2c\u4e09\u76d2\u589e\u52a0\u4e00\u500d\uff1b\u7b2c\u56db\u76d2\u51cf\u5c11\u4e00\u534a\uff0c\u90a3\u4e48\u8fd9\u56db\u53ea\u76d2\u5b50\u91cc\u7684\u7403\u5c31\u4e00\u6837\u591a\u4e86\uff0e\u539f\u6765\u6bcf\u53ea\u76d2\u5b50\u4e2d\u5404\u6709\u51e0\u4e2a\u7403?<\/p>\n\n\n\n<p>1. \u627e\u5173\u952e\u4e1c\u897f\uff0c\u8bbex\uff1a\u5728\u8fd9\u4e2a\u95ee\u9898\u91cc\u9762\uff0c\u76d2\u5b50\u91cc\u9762\u7684\u65b0\u7684\u5c0f\u7403\u6570\u91cf\u6700\u5173\u952e\uff0c\u77e5\u9053\u8fd9\u4e2a\u6570\u91cf\uff0c\u5c31\u53ef\u4ee5\u77e5\u9053\u6bcf\u4e2a\u76d2\u5b50\u539f\u6765\u7684\u5c0f\u7403\u7684\u6570\u91cf\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5047\u8bbe\u201c\u76d2\u5b50\u91cc\u9762\u7684\u65b0\u7684\u5c0f\u7403\u6570\u91cf\u4e3ax\u201d\u3002<\/p>\n\n\n\n<p>2. \u627e\u5173\u7cfb\uff0c\u7b97\u5176\u4ed6\u7684\u91cf\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u76d2\u5b50\u51cf\u5c11\u4e862\u4e2a\u5f97\u5230x\u4e2a\uff0c\u6240\u4ee5\uff0c\u7b2c\u4e00\u4e2a\u76d2\u5b50\u539f\u6765\u6709x+2\u4e2a\uff1b<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u76d2\u5b50\u589e\u52a0\u4e862\u4e2a\u5f97\u5230x\u4e2a\uff0c\u6240\u4ee5\uff0c\u7b2c\u4e8c\u4e2a\u76d2\u5b50\u539f\u6765\u6709x-2\u4e2a\uff1b<\/p>\n\n\n\n<p>\u7b2c\u4e09\u4e2a\u76d2\u5b50\u589e\u52a0\u4e86\u4e00\u500d\u5f97\u5230x\u4e2a\uff0c\u6240\u4ee5\uff0c\u7b2c\u4e09\u4e2a\u76d2\u5b50\u539f\u6765\u6709x\/2\u4e2a\uff1b<\/p>\n\n\n\n<p>\u7b2c\u56db\u4e2a\u76d2\u5b50\u51cf\u5c11\u4e86\u4e00\u534a\u5f97\u5230x\u4e2a\uff0c\u6240\u4ee5\uff0c\u7b2c\u56db\u4e2a\u76d2\u5b50\u539f\u6765\u67092x\u4e2a\u3002<\/p>\n\n\n\n<p>3. \u627e\u5230\u7b97\u51fa\u6765\u7684\u4e1c\u897f\u7684\u91cf\u7684\u4e4b\u95f4\u7684\u5927\u7684\u5173\u7cfb\uff1a\u5728\u8fd9\u91cc\u5c31\u662f\u539f\u6765\u5408\u8d77\u6765\u662f45\u4e2a\uff0c\u4e5f\u5c31\u662f x+2+x-2+x\/2+2x=45<\/p>\n\n\n\n<p>4. \u6c42\u89e3\u65b9\u7a0b\uff1a<\/p>\n\n\n\n<p class=\"has-text-align-center\">4x + 0.5 x =45<\/p>\n\n\n\n<p class=\"has-text-align-center\">4.5 x =45<\/p>\n\n\n\n<p class=\"has-text-align-center\">9x = 90<\/p>\n\n\n\n<p class=\"has-text-align-center\">x=10<\/p>\n\n\n\n<p>5. \u5f97\u5230\u65b0\u7684\u6570\u91cf\u4e4b\u540e\uff0c\u7b97\u51fa\u6765\u6bcf\u4e2a\u76d2\u5b50\u539f\u6765\u7684\u6570\u91cf\u4e3a\uff1a\u7b2c\u4e00\u4e2a\u76d2\u5b50x+2=12\uff0c\u7b2c\u4e8c\u4e2a\u76d2\u5b50x-2=8\uff0c\u7b2c\u4e09\u4e2a\u76d2\u5b50x\/2=6\uff0c\u7b2c\u56db\u4e2a\u76d2\u5b502x=24 \u4e2a\u5c0f\u7403\u3002<\/p>\n\n\n\n<h3>\u6784\u9020\u5f0f\u89e3\u9898<\/h3>\n\n\n\n<p>\u6784\u9020\u5f0f\u89e3\u9898\u79d8\u8bc0\u4ee5\u540e\u518d\u8865\u5145\uff1a\u8f6c\u5316\uff0c\u8054\u7cfb<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u5b66\u5b66\u4e60\u548c\u89e3\u9898\u79d8\u8bc0 \u5434\u91d1\u95ea \u6570\u5b66\u5b66\u4e60\u79d8\u8bc0 \u6570\u5b66\u5b66\u4e60\u79d8\u8bc0\uff1a\u641e\u6e05\u695a\u65b0\u5b66\u7684\u6982\u5ff5\u548c\u5df2\u7ecf\u5b66\u4f1a\u7684\u6982\u5ff5\u662f\u4ec0\u4e48\u5173\u7cfb\u3002\u6570\u5b66\u662f\u601d\u7ef4 &hellip; <a href=\"https:\/\/www.systemsci.org\/jinshanw\/2022\/02\/22\/5279\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u6570\u5b66\u5b66\u4e60\u548c\u89e3\u9898\u79d8\u8bc0\u201d<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts\/5279"}],"collection":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/comments?post=5279"}],"version-history":[{"count":5,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts\/5279\/revisions"}],"predecessor-version":[{"id":5291,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts\/5279\/revisions\/5291"}],"wp:attachment":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/media?parent=5279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/categories?post=5279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/tags?post=5279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}