{"id":22797,"date":"2026-10-17T10:23:26","date_gmt":"2026-10-16T23:23:26","guid":{"rendered":"https:\/\/geoffreychen.com\/equal-percentage-increases-and-decreases-do-not-cancel\/"},"modified":"2026-10-17T10:23:26","modified_gmt":"2026-10-16T23:23:26","slug":"equal-percentage-increases-and-decreases-do-not-cancel","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/equal-percentage-increases-and-decreases-do-not-cancel\/","title":{"rendered":"\u5148\u589e10%\u518d\u51cf10%\uff0c\u4e3a\u4ec0\u4e48\u56de\u4e0d\u5230\u539f\u6570\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/equal-percentage-increases-and-decreases-do-not-cancel\/5fc5b3feed19fad01e2c049e.jpg?w=1140&#038;ssl=1\" alt=\"\u5148\u589e10%\u518d\u51cf10%\uff0c\u4e3a\u4ec0\u4e48\u56de\u4e0d\u5230\u539f\u6570\uff1f\" loading=\"lazy\"><\/p>\n<p>\u4e00\u4e2a\u6570\u4ece100\u589e\u52a010%\uff0c\u53d8\u6210110\uff1b\u518d\u51cf\u5c1110%\uff0c\u7ed3\u679c\u4e0d\u662f100\uff0c\u800c\u662f99\u3002\u95ee\u9898\u4e0d\u5728\u56db\u820d\u4e94\u5165\uff0c\u800c\u5728\u7b2c\u4e8c\u6b21\u7684\u201c10%\u201d\u5df2\u7ecf\u6362\u4e86\u57fa\u6570\uff1a\u7b2c\u4e00\u6b21\u52a0\u7684\u662f100\u7684\u5341\u5206\u4e4b\u4e00\uff0c\u537310\uff1b\u7b2c\u4e8c\u6b21\u51cf\u7684\u662f110\u7684\u5341\u5206\u4e4b\u4e00\uff0c\u537311\u3002<\/p>\n<p>\u767e\u5206\u6bd4\u63cf\u8ff0\u7684\u662f\u76f8\u5bf9\u4e8e\u67d0\u4e2a\u91cf\u7684\u6bd4\u4f8b\uff0c\u4e0d\u662f\u4e00\u5757\u56fa\u5b9a\u5927\u5c0f\u7684\u589e\u51cf\u91cf\u3002\u201c\u589e\u52a010\u518d\u51cf\u5c1110\u201d\u5f53\u7136\u80fd\u62b5\u6d88\uff0c\u4f46\u201c\u589e\u52a010%\u518d\u51cf\u5c1110%\u201d\u4e0d\u80fd\u7167\u642c\u8fd9\u6761\u76f4\u89c9\u3002\u4e24\u4e2a\u767e\u5206\u53f7\u540e\u9762\uff0c\u5176\u5b9e\u5404\u85cf\u7740\u4e00\u4e2a\u5fc5\u987b\u8bf4\u6e05\u7684\u201c\u76f8\u5bf9\u4e8e\u8c01\u201d\u3002<\/p>\n<p>\u4e5f\u53ef\u4ee5\u628a\u8fd9\u4e24\u6b65\u7406\u89e3\u4e3a\u8fde\u7eed\u7f29\u653e\uff1a\u5148\u4e581.1\uff0c\u518d\u4e580.9\uff0c\u603b\u5171\u4e58\u4e860.99\u3002\u56e0\u6b64\uff0c\u5bf9\u4efb\u4f55\u6b63\u7684\u8d77\u59cb\u91cf\uff0c\u8fd9\u4e00\u7ec4\u64cd\u4f5c\u90fd\u4f1a\u7559\u4e0b\u539f\u91cf\u768499%\u3002\u8fd9\u662f\u7cbe\u786e\u7684\u7b97\u672f\u5173\u7cfb\uff0c\u4e0d\u662f\u7ecf\u9a8c\u8fd1\u4f3c\uff0c\u4e5f\u4e0d\u662f\u8bf4\u6240\u6709\u73b0\u5b9e\u53d8\u5316\u90fd\u9075\u5faa\u540c\u4e00\u79cd\u8fc7\u7a0b\u3002<\/p>\n<p>\u82e5\u8981\u4ece110\u56de\u5230100\uff0c\u9700\u8981\u51cf\u5c1110\uff0c\u4f46\u8fd910\u76f8\u5bf9\u4e8e110\u7ea6\u4e3a9.09%\uff0c\u800c\u4e0d\u662f10%\u3002\u6240\u4ee5\u9006\u5411\u53d8\u5316\u8981\u6062\u590d\u539f\u503c\uff0c\u5c31\u5fc5\u987b\u6309\u65b0\u7684\u57fa\u6570\u91cd\u65b0\u8ba1\u7b97\u3002\u770b\u89c1\u4e00\u589e\u4e00\u51cf\u65f6\uff0c\u5148\u4e0d\u8981\u6025\u7740\u6bd4\u8f83\u767e\u5206\u6570\u662f\u5426\u76f8\u540c\uff0c\u5148\u786e\u8ba4\u5b83\u4eec\u5404\u81ea\u4ece\u54ea\u4e2a\u6570\u5f00\u59cb\u3002<\/p>\n<p><a href=\"https:\/\/openstax.org\/books\/prealgebra-2e\/pages\/6-2-solve-general-applications-of-percent\" rel=\"nofollow\">https:\/\/openstax.org\/books\/prealgebra-2e\/pages\/6-2-solve-general-applications-of-percent<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"A rise from 100 to 110 followed by a 10% fall leaves 99. 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