数学填空题 急求解

\u6570\u5b66\u586b\u7a7a\u9898\u6c42\u89e3

1 ABC\u65cb\u8f6c\u6240\u5f97\u4e3a\u4e24\u4e2a\u5706\u9525\uff0c\u4e24\u4e2a\u5706\u9525\u7684\u5e95\u9762\u79ef\u5373\u4e3a\u6240\u63a5\u7684\u6700\u5927\u9762\u79ef\u3002\u7531\u76f8\u4f3c\u4e09\u89d2\u5f62\u7684\uff0c\u5e95\u9762\u5706\u534a\u5f84\u4e3a2.4 \u65e2\u6700\u5927\u9762\u79ef\u4e3a\uff082.4\uff09²\u00d7\u03c0=5.76\u03c0

2 \u5706\u53f0\u6b63\u89c6\u56fe\u622a\u9762\u4e3a\u68af\u5f62\uff0c\u8be5\u68af\u5f62\u7684\u4e2d\u4f4d\u7ebf\u4e3a\uff087+1\uff09/2=4 \u65e2\u622a\u9762\u5706\u7684\u534a\u5f84\u4e3a4\uff0c\u9762\u79ef\u4e3a16\u03c0

\u671b\u91c7\u7eb3\uff0c\u8c22\u8c22

\u30101\u3011\u4e00\u4e2a\u6b63\u65b9\u4f53\u7684\u68f1\u957f\u662f2\u5206\u7c73\uff0c\u5b83\u7684\u68f1\u957f\u603b\u548c\u662f\u3010 24\u5206\u7c73 \u3011\uff0c\u5e95\u9762\u79ef\u662f\u3010 4\u5e73\u65b9\u5206\u7c73 \u3011\u3002\u4fa7\u9762\u79ef\u662f\u3010 16\u5e73\u65b9\u5206\u7c73 \u3011\u3002\u8868\u9762\u79ef\u662f\u3010 24\u5e73\u65b9\u5206\u7c73 \u3011\u3002\u4f53\u79ef\u662f\u3010 8\u7acb\u65b9\u5206\u7c73 \u3011\u3002
\u30102\u3011\u628a5/7\u7c73\u957f\u7684\u4e00\u6bb5\u65b9\u6728\u5e73\u5747\u952f\u62109\u6bb5\uff0c\u6bcf\u6bb5\u957f\u3010 5/63 \u3011\u7c73\uff0c\u6bcf\u6bb5\u662f\u5168\u957f\u7684\u3010 1/9 \u3011
\u30103\u30115\u5343\u514b\u6bd44\u5343\u514b\u591a\u3010 25 \u3011%\u30024\u5206\u7c73\u6bd45\u5206\u7c73\u5c11\u3010 20 \u3011%\u3002
\u30104\u3011200\u4e2a1%\u662f\u3010 2 \u3011\u30022/5\u91cc\u9762\u6709\u3010 40 \u3011\u4e2a1%\u3002
\u30105\u3011\u4e00\u79cd\u5546\u54c1\uff0c\u5148\u964d\u4ef710%,\u53c8\u6da8\u4ef710%\uff0c\u7ed3\u679c\u4ef7\u683c\u3010 \u4e0b\u964d1% \u3011\u3002
\u30106\u3011\u5706\u7684\u5468\u957f\u4e0e\u5b83\u534a\u5f84\u7684\u6bd4\u662f\u3010 2\u03c0\uff1a1 \u3011\u3001
\u30107\u30119:10\u7684\u540e\u9879\u589e\u52a019\uff0c\u8981\u662f\u6bd4\u503c\u4e0d\u53d8\uff0c\u524d\u9879\u5e94\u589e\u52a0\u3010 17.1 \u3011\u3001

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