初二数学浙教版，题目如图
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\u300040\u2264x\uff1c50 \u30001 \u30000.02
\u300050\u2264x\uff1c60 \u30003 \u3000 0.06\u3000
\u300060\u2264x\uff1c70 \u300010 \u30000.2
\u300070\u2264x\uff1c80 \u300015 \u30000.3
\u300080\u2264x\uff1c90 \u300015 \u30000.3
\u300090\u2264x\uff1c100 \u30005 \u30000.1
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A\uff0e0.102\u00d7106B\uff0e1.02\u00d7105C\uff0e10.2\u00d7104D\uff0e102\u00d7103
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A.521\u5230530\uff1bB.531\u5230540\uff1bC.541\u5230550\uff1bD.551\u5230560
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356\u00d7100
3300
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\u540d\uff1b
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\u516b\u5e74\u7ea7\u4e8c\u73ed\u6570\u5b66\u671f\u4e2d\u6d4b\u8bd5\u6210\u7ee9\u51fa\u6765\u540e\uff0c\u674e\u8001\u5e08\u628a\u5b83\u7ed8\u6210\u4e86\u6761\u5f62\u7edf\u8ba1\u56fe\u5982\u4e0b\uff0c\u8bf7\u4ed4\u7ec6\u89c2\u5bdf\u56fe\u5f62\u56de\u7b54\u95ee\u9898\uff1a
\uff081\uff09\u8be5\u73ed\u6709\u591a\u5c11\u540d\u5b66\u751f\uff1f
\uff082\uff09\u4f30\u7b97\u8be5\u73ed\u8fd9\u6b21\u6d4b\u9a8c\u7684\u6570\u5b66\u5e73\u5747\u6210\u7ee9\uff1f
菱形OEDC的面积=BCD的面积
所以BD跟3/2*CD/2=8根3
所以BD*BD=64 所以AC的长是8
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绛旓細濂芥秷鎭
