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100\u4f24\u5bb3\u9644\u52a040%\u53d8\u6210140\uff0c\u518d\u9644\u52a050%\u53d8\u6210190\u6ca1\u9519\u554a\uff0c\u4f46\u662f\u8bf4\u7a00\u91ca\u7684\u539f\u56e0\u662f\u4f60140 \u518d\u9644\u52a050%\u53d8\u6210190\uff0c\u800c\u4f60\u7684\u4f24\u5bb3\u63d0\u5347\u53ea\u6709\uff08190-140\uff09/140=35.7%,\u4e5f\u5c31\u662f\u540e\u9762\u8fd9\u4e2a50%\u767d\u5b57\u5b9e\u9645\u53ea\u670935.7%\u7684\u63d0\u5347\u5e76\u6ca1\u670950%\uff0c\u7a00\u91ca\u662f\u6307\u8fd9\u4e2a\uff0c\u660e\u767d\u4e86\u6ca1\uff1f\u767d\u5b57\u600e\u4e48\u4f1a\u4e0d\u5b58\u5728\u7a00\u91ca\u3002\u3002\u3002\u3002 \u4f60\u572840%\u767d\u5b57\u7684\u65f6\u5019 140\u7684\u4f24\u5bb3\uff0c\u518d\u5e2620%\u767d\u5b57\u4f24\u5bb3\u662f160\uff0c\u4f46\u662f\u6362\u621020%\u9ec4\u5b57\u5219\u662f140*120%=168\u4f24\u5bb3\uff0c\u4e0d\u540c\u4f24\u5bb3\u7c7b\u578b\uff08\u767d\u5b57\u548c\u9ec4\u5b57\uff09\u4e4b\u95f4\u662f\u4e58\u7b97\uff0c\u767d\u5b57\u548c\u767d\u5b57\u662f\u52a0\u7b97\uff0c\u6211\u89c9\u5f97\u5e94\u8be5\u662f\u522b\u4eba\u4e0d\u660e\u767d\u4f60\u7684\u60f3\u6cd5\uff0c\u5df2\u7ecf40%\u767d\u5b57\u4e86\uff0c 20%\u767d\u5b57\u5f53\u7136\u4e0d\u598220%\u9ec4\u5b57\u3002