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\u5355\u9879\u5f0f\u7684\u76f8\u5173\u6982\u5ff5<\/p>\n
\u5355\u9879\u5f0f\u5b9a\u4e49\uff1a<\/p>\n
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\u5355\u9879\u5f0f\u6027\u8d28\uff1a<\/p>\n
1.\u5206\u6bcd\u542b\u6709\u5b57\u6bcd\u7684\u5f0f\u5b50\u4e0d\u5c5e\u4e8e\u5355\u9879\u5f0f\u3002\u56e0\u4e3a\u5355\u9879\u5f0f\u5c5e\u4e8e\u6574\u5f0f\uff0c\u800c\u5206\u6bcd\u542b\u6709\u672a\u77e5\u6570\u7684\u5f0f\u5b50\u662f\u5206\u5f0f\u3002\u4f8b\u5982\uff1a1\/x\u4e0d\u662f\u5355\u9879\u5f0f\u3002<\/p>\n
\u5206\u6bcd\u4e2d\u4e0d\u542b\u5b57\u6bcd\uff08\u5355\u9879\u5f0f\u662f\u6574\u5f0f\uff0c\u800c\u4e0d\u662f\u5206\u5f0f\uff09\u3002<\/p>\n
a\uff0c\uff0d5\uff0cX\uff0c2XY\uff0c\u90fd\u662f\u5355\u9879\u5f0f\uff0c\u800c0.5m+n\uff0c\u4e0d\u662f\u5355\u9879\u5f0f\u3002<\/p>\n
2.\u5355\u72ec\u7684\u4e00\u4e2a\u6570\u5b57\u6216\u5b57\u6bcd\u4e5f\u662f\u5355\u9879\u5f0f\u3002\u4f8b\u5982\uff1a1\u548cx2y\u4e5f\u662f\u5355\u9879\u5f0f\u3002<\/p>\n
3.\u4efb\u610f\u4e00\u4e2a\u5b57\u6bcd\u548c\u6570\u5b57\u7684\u79ef\u7684\u5f62\u5f0f\u7684\u4ee3\u6570\u5f0f\uff08\u9664\u6cd5\u4e2d\u6709\uff1a\u9664\u4ee5\u4e00\u4e2a\u6570\u7b49\u4e8e\u4e58\u8fd9\u4e2a\u6570\u7684\u5012\u6570\uff09\u3002<\/p>\n
4.\u5982\u679c\u4e00\u4e2a\u5355\u9879\u5f0f\uff0c\u53ea\u542b\u6709\u5b57\u6bcd\u56e0\u6570\uff0c\u5982\u679c\u662f\u6b63\u6570\u7684\u5355\u9879\u5f0f\u7cfb\u6570\u4e3a1\uff0c\u5982\u679c\u662f\u8d1f\u6570\u7684\u5355\u9879\u5f0f\u7cfb\u6570\u4e3a\uff0d1\u3002<\/p>\n
5.\u5982\u679c\u4e00\u4e2a\u5355\u9879\u5f0f\uff0c\u53ea\u542b\u6709\u6570\u5b57\u56e0\u6570\uff0c\u90a3\u4e48\u5b83\u7684\u6b21\u6570\u4e3a0\u3002<\/p>\n
6.0\u4e5f\u662f\u6570\u5b57\uff0c\u4e5f\u5c5e\u4e8e\u5355\u9879\u5f0f\u3002<\/p>\n
7.\u6709\u5206\u6570\u4e5f\u5c5e\u4e8e\u5355\u9879\u5f0f\u3002<\/p>\n
\u5355\u9879\u5f0f\u7684\u6b21\u6570\u4e0e\u7cfb\u6570\uff1a<\/p>\n
1.\u5355\u9879\u5f0f\u662f\u5b57\u6bcd\u4e0e\u6570\u7684\u4e58\u79ef\u3002<\/p>\n
\u5355\u9879\u5f0f\u7684\u6b21\u6570\uff1a\u4e00\u4e2a\u5355\u9879\u5f0f\u4e2d\uff0c\u6240\u6709\u5b57\u6bcd\u7684\u6307\u6570\u7684\u548c\u53eb\u505a\u8fd9\u4e2a\u5355\u9879\u5f0f\u7684\u6b21\u6570\u3002<\/p>\n
\u5355\u9879\u5f0f\u7684\u7cfb\u6570\uff1a\u5355\u9879\u5f0f\u4e2d\u7684\u6570\u5b57\u56e0\u6570\u3002<\/p>\n
\u5355\u9879\u5f0f\u662f\u51e0\u6b21\uff0c\u5c31\u53eb\u505a\u51e0\u6b21\u5355\u9879\u5f0f\u3002<\/p>\n
\u5982\uff1a2xy\u7684\u7cfb\u6570\u662f2\uff1b-5zy \u7684\u7cfb\u6570\u662f-5\u3002<\/p>\n
\u5b57\u6bcdt\u7684\u6307\u6570\u662f1\uff0c100t\u662f\u4e00\u6b21\u5355\u9879\u5f0f\uff1b<\/p>\n
\u5728\u5355\u9879\u5f0fvt\u4e2d\uff0c\u5b57\u6bcdv\u4e0et\u7684\u6307\u6570\u7684\u548c\u662f2\uff0cvt\u662f\u4e8c\u6b21\u5355\u9879\u5f0f\u3002<\/p>\n
\u5982\uff1axy \uff0c3\uff0ca z\uff0cab\uff0cb \u2026\u2026 \u90fd\u662f\u5355\u9879\u5f0f\u3002<\/p>\n
\u5355\u9879\u5f0f\u4e66\u5199\u89c4\u5219\uff1a<\/p>\n
1.\u5355\u9879\u5f0f\u8868\u793a\u6570\u4e0e\u5b57\u6bcd\u76f8\u4e58\u65f6\uff0c\u901a\u5e38\u628a\u6570\u5199\u5728\u524d\u9762\uff1b<\/p>\n
2.\u4e58\u53f7\u53ef\u4ee5\u7701\u7565\u4e3a\u70b9\u6216\u4e0d\u5199\uff1b<\/p>\n
3.\u9664\u6cd5\u7684\u5f0f\u5b50\u53ef\u4ee5\u5199\u6210\u5206\u6570\u5f0f\uff1b<\/p>\n
4.\u5e26\u5206\u6570\u4e0e\u5b57\u6bcd\u76f8\u4e58\uff0c\u5e26\u5206\u6570\u8981\u5316\u4e3a\u5047\u5206\u6570\uff1b<\/p>\n
5.\u03c0\u662f\u5e38\u6570\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u7cfb\u6570\uff1b\uff08\u201c\u03c0\u201d\u662f\u7279\u6307\u7684\u6570\uff0c\u4e0d\u662f\u5b57\u6bcd\uff0c\u8bfbp\u00e0i\u3002\uff09<\/p>\n
6.\u5f53\u4e00\u4e2a\u5355\u9879\u5f0f\u7684\u7cfb\u6570\u662f1\u6216-1\u65f6\uff0c\u201c1\u201d\u901a\u5e38\u7701\u7565\u4e0d\u5199\uff0c\u5982[\uff08-1\uff09ab ]\u5199\u6210[ -ab ]\u7b49\u3002<\/p>\n
7.\u5728\u5355\u9879\u5f0f\u4e2d\u5b57\u6bcd\u4e0d\u53ef\u4ee5\u505a\u5206\u6bcd\uff0c\u5206\u5b50\u53ef\u4ee5\u3002\u5b57\u6bcd\u4e0d\u80fd\u5728\u5206\u6bcd\u4e2d\uff1b\uff08\u56e0\u4e3a\u8fd9\u6837\u4e3a\u5206\u5f0f\uff0c\u4e0d\u4e3a\u5355\u9879\u5f0f\u3002\uff09<\/p>\n
8.\u5355\u72ec\u7684\u6570\u201c0\u201d\u7684\u7cfb\u6570\u662f\u96f6\uff0c\u6b21\u6570\u4e5f\u662f\u96f6\u3002<\/p>\n
9.\u5e38\u6570\u7684\u7cfb\u6570\u662f\u5b83\u672c\u8eab\uff0c\u6b21\u6570\u4e3a\u96f6\u3002<\/p>\n
\u5355\u9879\u5f0f\u7684\u8fd0\u7b97\u6cd5\u5219\uff1a<\/p>\n
\u52a0\u51cf\u6cd5\u5219<\/p>\n
\u5355\u9879\u5f0f\u52a0\u51cf\u5373\u5408\u5e76\u540c\u7c7b\u9879\uff0c\u4e5f\u5c31\u662f\u5408\u5e76\u524d\u5404\u540c\u7c7b\u9879\u7cfb\u6570\u7684\u548c\uff0c\u5b57\u6bcd\u4e0d\u53d8\u3002<\/p>\n
\u4f8b\u5982\uff1a3a+4a=7a\uff0c9a-2a=7a\u7b49\u3002<\/p>\n
\u540c\u65f6\u8fd8\u8981\u8fd0\u7528\u5230\u53bb\u62ec\u53f7\u6cd5\u5219\u548c\u6dfb\u62ec\u53f7\u6cd5\u5219\u3002<\/p>\n
\u4e58\u6cd5\u6cd5\u5219<\/p>\n
\u5355\u9879\u5f0f\u76f8\u4e58\uff0c\u628a\u5b83\u4eec\u7684\u7cfb\u6570\u3001\u76f8\u540c\u5b57\u6bcd\u5206\u522b\u76f8\u4e58\uff0c\u5bf9\u4e8e\u53ea\u5728\u4e00\u4e2a\u5355\u9879\u5f0f\u91cc\u542b\u6709\u7684\u5b57\u6bcd\uff0c\u5219\u8fde\u540c\u5b83\u7684\u6307\u6570\u4f5c\u4e3a\u79ef\u7684\u4e00\u4e2a\u56e0\u5f0f\u3002<\/p>\n
\u4f8b\u5982\uff1a3a\u00b74a=12a^2\u3002<\/p>\n
\u9664\u6cd5\u6cd5\u5219<\/p>\n
\u540c\u5e95\u6570\u5e42\u76f8\u9664\uff0c\u5e95\u6570\u4e0d\u53d8\uff0c\u6307\u6570\u76f8\u51cf\u3002<\/p>\n
\u4f8b\u5982\uff1a9a10\u00f73a5=3a5\u3002<\/p>\n
\u591a\u9879\u5f0f\u7684\u76f8\u5173\u6982\u5ff5<\/p>\n
\u591a\u9879\u5f0f\u7684\u5b9a\u4e49\uff1a<\/p>\n
\u6709\u6709\u9650\u4e2a\u5355\u9879\u5f0f\u7684\u4ee3\u6570\u548c\u7ec4\u6210\u7684\u5f0f\u5b50\uff0c\u53eb\u505a\u591a\u9879\u5f0f\u3002<\/p>\n
\u591a\u9879\u5f0f\u91cc\u6bcf\u4e2a\u5355\u9879\u5f0f\u53eb\u505a\u591a\u9879\u5f0f\u7684\u9879\uff0c\u4e0d\u542b\u5b57\u6bcd\u7684\u9879\uff0c\u53eb\u505a\u5e38\u6570\u9879\u3002<\/p>\n
\u5355\u9879\u5f0f\u53ef\u4ee5\u770b\u4f5c\u662f\u591a\u9879\u5f0f\u7684\u7279\u4f8b\u3002<\/p>\n
\u628a\u540c\u7c7b\u5355\u9879\u5f0f\u7684\u7cfb\u6570\u76f8\u52a0\u6216\u76f8\u51cf\uff0c\u800c\u5355\u9879\u5f0f\u4e2d\u7684\u5b57\u6bcd\u7684\u4e58\u65b9\u6307\u6570\u4e0d\u53d8\u3002<\/p>\n
\u5728\u591a\u9879\u5f0f\u4e2d\uff0c\u6240\u542b\u7684\u4e0d\u540c\u672a\u77e5\u6570\u7684\u4e2a\u6570\uff0c\u79f0\u505a\u8fd9\u4e2a\u591a\u9879\u5f0f\u7684\u5143\u6570\u7ecf\u8fc7\u5408\u5e76\u540c\u7c7b\u9879\u540e\uff0c\u591a\u9879\u5f0f\u6240\u542b\u5355\u9879\u5f0f\u7684\u4e2a\u6570\uff0c\u79f0\u4e3a\u8fd9\u4e2a\u591a\u9879\u5f0f\u7684\u9879\u6570\u6240\u542b\u4e2a\u5355\u9879\u5f0f\u4e2d\u6700\u9ad8\u6b21\u9879\u7684\u6b21\u6570\uff0c\u5c31\u79f0\u4e3a\u8fd9\u4e2a\u591a\u9879\u5f0f\u7684\u6b21\u6570\u3002<\/p>\n
\u591a\u9879\u5f0f\u7684\u503c\uff1a<\/p>\n
\u4efb\u4f55\u4e00\u4e2a\u591a\u9879\u5f0f\uff0c\u5c31\u662f\u4e00\u4e2a\u7528\u52a0\u3001\u51cf\u3001\u4e58\u3001\u4e58\u65b9\u8fd0\u7b97\u628a\u5df2\u77e5\u6570\u548c\u672a\u77e5\u6570\u8fde\u63a5\u8d77\u6765\u7684\u5f0f\u5b50\u3002<\/p>\n
\u591a\u9879\u5f0f\u7684\u6052\u7b49\uff1a<\/p>\n
\u5bf9\u4e8e\u4e24\u4e2a\u4e00\u5143\u591a\u9879\u5f0ff\uff08x\uff09\u3001g\uff08x\uff09\u6765\u8bf4\uff0c\u5f53\u672a\u77e5\u6570x\u540c\u53d6\u4efb\u4e00\u4e2a\u6570\u503ca\u65f6\uff0c\u5982\u679c\u5b83\u4eec\u6240\u5f97\u7684\u503c\u90fd\u662f\u76f8\u7b49\u7684\uff0c\u5373f\uff08a\uff09=g\uff08a\uff09\uff0c\u90a3\u4e48\uff0c\u8fd9\u4e24\u4e2a\u591a\u9879\u5f0f\u5c31\u79f0\u4e3a\u662f\u6052\u7b49\u7684\u8bb0\u4e3af\uff08x\uff09==g\uff08x\uff09\uff0c\u6216\u7b80\u8bb0\u4e3af\uff08x\uff09=g\uff08x\uff09\u3002<\/p>\n
\u6027\u8d281\uff1a\u5982\u679cf\uff08x\uff09==g\uff08x\uff09\uff0c\u90a3\u4e48\uff0c\u5bf9\u4e8e\u4efb\u4e00\u4e2a\u6570\u503ca\uff0c\u90fd\u6709f\uff08a\uff09=g\uff08a\uff09\u3002<\/p>\n
\u6027\u8d282\uff1a\u5982\u679cf\uff08x\uff09==g\uff08x\uff09\uff0c\u90a3\u4e48\uff0c\u8fd9\u4e24\u4e2a\u591a\u9879\u5f0f\u7684\u4e2a\u540c\u7c7b\u9879\u7cfb\u6570\u5c31\u4e00\u5b9a\u5bf9\u5e94\u76f8\u7b49\u3002<\/p>\n
\u4e00\u5143\u591a\u9879\u5f0f\u7684\u6839\uff1a<\/p>\n
\u4e00\u822c\u5730\uff0c\u80fd\u591f\u4f7f\u591a\u9879\u5f0ff\uff08x\uff09\u7684\u503c\u7b49\u4e8e0\u7684\u672a\u77e5\u6570x\u7684\u503c\uff0c\u53eb\u505a\u591a\u9879\u5f0ff\uff08x\uff09\u7684\u6839\u3002<\/p>\n
\u591a\u9879\u5f0f\u7684\u52a0\u3001\u51cf\u6cd5\uff0c\u4e58\u6cd5\uff1a<\/p>\n
1.\u591a\u9879\u5f0f\u7684\u52a0\u3001\u51cf\u6cd5<\/p>\n
2.\u591a\u9879\u5f0f\u7684\u4e58\u6cd5<\/p>\n
\u5355\u9879\u5f0f\u76f8\u4e58\uff0c\u7528\u5b83\u4eec\u7cfb\u6570\u4f5c\u4e3a\u79ef\u7684\u7cfb\u6570\uff0c\u5bf9\u4e8e\u76f8\u540c\u7684\u5b57\u6bcd\u56e0\u5f0f\uff0c\u5219\u8fde\u540c\u5b83\u7684\u6307\u6570\u4f5c\u4e3a\u79ef\u7684\u4e00\u4e2a\u56e0\u5f0f\u3002<\/p>\n
3.\u591a\u9879\u5f0f\u7684\u4e58\u6cd5<\/p>\n
\u591a\u9879\u5f0f\u4e0e\u591a\u9879\u5f0f\u76f8\u4e58\uff0c\u5148\u7528\u4e00\u4e2a\u591a\u9879\u5f0f\u7b49\u6bcf\u4e00\u9879\u4e58\u4ee5\u53e6\u4e00\u4e2a\u591a\u9879\u5f0f\u7684\u5404\u9879\uff0c\u518d\u628a\u6240\u5f97\u7684\u79ef\u76f8\u52a0\u3002<\/p>\n
\u5e38\u7528\u4e58\u6cd5\u516c\u5f0f\uff1a<\/p>\n
1.\u5e73\u65b9\u5dee\u516c\u5f0f<\/p>\n
\uff08a+b\uff09\uff08a-b\uff09=a^2-b^2\u3002<\/p>\n
\u4e24\u4e2a\u6570\u7684\u548c\u4e0e\u8fd9\u4e24\u4e2a\u6570\u7684\u5dee\u7684\u79ef\u7b49\u4e8e\u8fd9\u4e24\u4e2a\u6570\u7684\u5e73\u65b9\u5dee\u3002<\/p>\n
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