数学题，关于百分比的！！！ 数学题：关于百分比的应用
\u4e00\u4e9b\u6570\u5b66\u9898\uff01\uff01\uff01\uff01\u5173\u4e8e\u767e\u5206\u6bd4\u548c\u5206\u6570\u7684\uff01\uff011\u3001\u4e8c\u6708\u4efd\u4ea7\u91cf\uff1a840\u00f7\uff081+12%\uff09=750\uff08\u53f0\uff09
\u56db\u6708\u4efd\u4ea7\u91cf\uff1a750\u00d71/3\u00f71/5=1250\uff08\u53f0\uff09
\uff081250-840\uff09\u00f7840\u224848.8%
2\u3001\u4ece\u4e03\u4e00\u73ed\u8c03\u51fa2\u540d\u5b66\u751f\u7ed9\u4e03\u4e8c\u73ed\uff0c\u90a3\u4e48\u4e24\u73ed\u4eba\u6570\u76f8\u7b49,\u90a3\u5c31\u662f\u8bf4\u4e00\u73ed\u6bd4\u4e8c\u73ed\u591a4\u4e2a\u5b66\u751f\u3002
\u4e8c\u73ed\u4eba\u6570\uff1a4\u00f710%=40\uff08\u4eba\uff09
\u4e00\u73ed\u4eba\u6570\uff1a40+4=44\uff08\u4eba\uff09
3\u3001\uff084\u5206\u4e4b\u4e09+25\u5206\u4e4b9\uff09-1=0.11
\u5168\u6821\u4eba\u6570\uff1a88\u00f70.11=800\uff08\u4eba\uff09
4\u3001\u7b2c\u4e8c\u6b21\u7528\u53bb\u5269\u4e0b\u7684\u4e00\u534a\u591a\u4e00\u7c73\uff0c\u7ed3\u679c\u8fd8\u52692.5\u7c73\uff0c\u90a3\u5269\u4e0b\u7684\u4e00\u534a\u662f2.5+1=3.5\u7c73\uff0c\u5269\u4e0b\u7684\u603b\u5171\u662f3.5*2=7\u7c73\uff1b\u540c\u7406\u7b2c\u4e00\u6b21\u7528\u53bb\u5b83\u7684\u4e00\u534a\u5c11\u4e00\u7c73\uff0c\u8fd8\u52697\u7c73\uff0c\u5219\u4ed6\u7684\u4e00\u534a\u662f7-1=6\u7c73\uff0c\u5219\u5168\u957f\u662f6*2=12\u7c73\u3002
5\u3001\u7b2c\u4e00\u8f66\u95f4\u4eba\u6570\u6bd4\u7b2c\u4e8c\u8f66\u95f4\u4eba\u6570\u76845\u5206\u4e4b4\u5c1130\u4eba\uff0c\u7b2c\u4e00\u8f66\u95f4\u52a0\u4e0a\u4ece\u7b2c\u4e8c\u8f66\u95f4\u8c03\u6765\u768410\u4eba\u4e4b\u540e\u5c31\u662f\u539f\u7b2c\u4e8c\u8f66\u95f4\u4eba\u6570\u76845\u5206\u4e4b4\u5c11\uff0830-10\uff09\u4eba\uff0c\u4e5f\u5c31\u662f\uff08\u539f\u7b2c\u4e8c\u8f66\u95f4\u4eba\u6570\u526a\u638910\u4eba\uff09\u76844\u5206\u4e4b3.
\u6240\u4ee5\uff1a\u539f\u7b2c\u4e8c\u8f66\u95f4\u4eba\u6570\u4e3a\uff1a
\uff0820-10*4\u5206\u4e4b3\uff09\u00f7\uff085\u5206\u4e4b4-4\u5206\u4e4b3\uff09=250\uff08\u4eba\uff09\uff0c
\u539f\u7b2c\u4e00\u8f66\u95f4\u4eba\u6570\u4e3a\uff1a5\u5206\u4e4b4*250-30=170\uff08\u4eba\uff09\u3002
\u5230\u671f\u53ef\u5f97\u5229\u606f2004\u521d3000x3%=90\u5143
2005\u521d3090x3%=92.7\u5143
2006\u521d3182.7x3%=95.481\u5143
2006\u521d\u672c\u5229\u548c\u662f\u591a\u5c113182.7+95.481=3278.181\u5143
\u62163000x\uff081+3%\uff09^3=3278.181\u5143
2.80*0.8=64 64*0.4=25.6 64-25.6=38.4 80-38.4=41.6 41.6/80=0.52=52%
3.0.5*500=250 1.5*370=555 1.5*0.8=1.2 1.2*（500-370）=156 156+555=711 711-250=461 461/250=1.844
1 (300+250)÷（1-45%）=1000(件）
2
1.
550
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