\u7b49\u5dee\u6570\u5217\u662f\u6307\u4ece\u7b2c 2 \u9879\u8d77\uff0c\u6bcf\u9879\u4e0e\u5b83\u7684\u524d\u4e00\u9879\u7684\u5dee\u7b49\u4e8e\u540c\u4e00\u4e2a\u5e38\u6570\u7684\u6570\u5217\uff0c\u5176\u901a\u9879\u516c\u5f0f\u4e3a\uff1aan=a1+(n-1)d\uff0c\u5176\u4e2d\u9996\u9879\u4e3aa1\uff0c\u516c\u5dee\u4e3ad\u3002\u4e00\u822c\u6c42\u6700\u503c\u9879\u95ee\u9898\uff0c\u5728\u5176\u4ed6\u9886\u57df\u95ee\u9898\u7684\u6c42\u89e3\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u5229\u7528\u5b83\u7684\u6027\u8d28\u53ca\u516c\u5f0f\u3002<\/p>\n
\u7b49\u5dee\u6570\u5217\u7684\u4e2a\u6570\u600e\u4e48\u6c42<\/p>\n
1\u3001\u786e\u5b9a\u9996\u9879\u548c\u672b\u9879<\/p>\n
\u7b49\u5dee\u6570\u5217\u7684\u9996\u9879\u662f\u6570\u5217\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6570\uff0c\u672b\u9879\u662f\u6570\u5217\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u6570\u3002<\/p>\n
2\u3001\u8ba1\u7b97\u516c\u5dee<\/p>\n
\u7b49\u5dee\u6570\u5217\u7684\u516c\u5dee\u662f\u6bcf\u4e00\u9879\u4e0e\u5b83\u524d\u9762\u4e00\u9879\u7684\u5dee\u3002\u5982\u679c\u6570\u5217\u5b8c\u6574\u4e14\u6309\u7167\u6b63\u5e38\u987a\u5e8f\u6392\u5217\uff0c\u516c\u5dee\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e8c\u9879\u51cf\u53bb\u9996\u9879\u6765\u5f97\u5230\u3002\u5982\u679c\u6570\u5217\u4e0d\u5b8c\u6574\u6216\u987a\u5e8f\u6df7\u4e71\uff0c\u9700\u8981\u5148\u5bf9\u6570\u5217\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u8ba1\u7b97\u76f8\u90bb\u4e24\u9879\u7684\u5dee\u503c\uff0c\u5e76\u627e\u51fa\u6700\u5c0f\u7684\u516c\u5dee\u3002<\/p>\n
3\u3001\u8ba1\u7b97\u9879\u6570<\/p>\n
\u7b49\u5dee\u6570\u5217\u7684\u9879\u6570\u53ef\u4ee5\u901a\u8fc7\u516c\u5f0f \u9879\u6570 = (\u672b\u9879 – \u9996\u9879) \u00f7 \u516c\u5dee + 1 \u6765\u8ba1\u7b97\u3002\u5982\u679c\u516c\u5dee\u4e3a0\uff0c\u8868\u793a\u6570\u5217\u662f\u5e38\u6570\u5217\uff0c\u6b64\u65f6\u9879\u6570\u4e3an\u3002<\/p>\n
\u7b49\u5dee\u6570\u5217\u4e0e\u9ad8\u65af\u6709\u5173\u5417<\/p>\n
\u6709\u5173\uff0c\u5728\u5fb7\u56fd\u6570\u5b66\u5bb6\u7ea6\u7ff0\u00b7\u5361\u5c14\u00b7\u5f17\u91cc\u5fb7\u91cc\u5e0c\u00b7\u9ad8\u65af10\u5c81\u7684\u65f6\u5019\uff0c\u6709\u4e00\u5929\u8001\u5e08\u7ed9\u4ed6\u6240\u5728\u73ed\u7ea7\u7684\u5b66\u751f\u51fa\u4e86\u4e00\u9053\u6c42\u548c\u9898\uff1a1\u5230100\u7684\u81ea\u7136\u6570\u76f8\u52a0\u4e4b\u548c\u3002\u5f53\u5176\u4ed6\u5b66\u751f\u5fd9\u4e8e\u628a 100 \u4e2a\u6570\u9010\u9879\u76f8\u52a0\u65f6\uff0c10 \u5c81\u7684\u9ad8\u65af\u7565\u52a0\u601d\u7d22\u4fbf\u5f88\u5feb\u5f97\u5230\u4e86\u6b63\u786e\u7684\u7b54\u6848:1+2+3+\u2026\u2026+100=\uff081+100\uff09+\uff082+99\uff09+\u2026\u2026+\uff0850+51\uff09=5050\u3002\u9ad8\u65af\u8fd9\u79cd\u9996\u5c3e\u76f8\u52a0\u7684\u65b9\u6cd5\u4e5f\u5c31\u662f\u73b0\u5728\u7b49\u5dee\u6570\u5217\u7684\u6c42\u548c\u601d\u60f3\u4e4b\u4e00\u3002<\/p>\n
\u7b49\u5dee\u6570\u5217\u7684\u516c\u5dee\u53ef\u4ee5\u4e3a0\u5417<\/p>\n
\u7b49\u5dee\u6570\u5217\u7684\u516c\u5dee\u53ef\u4ee5\u662f0\u3002\u7b49\u5dee\u6570\u5217\u662f\u6307\u4ece\u7b2c\u4e8c\u9879\u8d77\uff0c\u6bcf\u4e00\u9879\u4e0e\u5b83\u7684\u524d\u4e00\u9879\u7684\u5dee\u7b49\u4e8e\u540c\u4e00\u4e2a\u5e38\u6570\u7684\u4e00\u79cd\u6570\u5217\uff0c\u5e38\u7528A\u3001P\u8868\u793a\u3002\u8fd9\u4e2a\u5e38\u6570\u53eb\u505a\u7b49\u5dee\u6570\u5217\u7684\u516c\u5dee\uff0c\u516c\u5dee\u5e38\u7528\u5b57\u6bcdd\u8868\u793a\u3002<\/p>\n
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