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2\u3001\u6b63\u65b9\u5f62\u7684\u5468\u957f=\u8fb9\u957f\u00d74C=4a
3\u3001\u957f\u65b9\u5f62\u7684\u9762\u79ef=\u957f\u00d7\u5bbdS=ab
4\u3001\u6b63\u65b9\u5f62\u7684\u9762\u79ef=\u8fb9\u957f\u00d7\u8fb9\u957fS=a.a=a
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6\u3001\u5e73\u884c\u56db\u8fb9\u5f62\u7684\u9762\u79ef=\u5e95\u00d7\u9ad8S=ah
7\u3001\u68af\u5f62\u7684\u9762\u79ef=\uff08\u4e0a\u5e95+\u4e0b\u5e95\uff09\u00d7\u9ad8\u00f72S=\uff08a\uff0bb\uff09h\u00f72
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11\u3001\u957f\u65b9\u4f53\u7684\u8868\u9762\u79ef=\uff08\u957f\u00d7\u5bbd+\u957f\u00d7\u9ad8\uff0b\u5bbd\u00d7\u9ad8\uff09\u00d72
12\u3001\u957f\u65b9\u4f53\u7684\u4f53\u79ef=\u957f\u00d7\u5bbd\u00d7\u9ad8V=abh
13\u3001\u6b63\u65b9\u4f53\u7684\u8868\u9762\u79ef=\u68f1\u957f\u00d7\u68f1\u957f\u00d76S=6a
14\u3001\u6b63\u65b9\u4f53\u7684\u4f53\u79ef=\u68f1\u957f\u00d7\u68f1\u957f\u00d7\u68f1\u957fV=a.a.a=a
15\u3001\u5706\u67f1\u7684\u4fa7\u9762\u79ef=\u5e95\u9762\u5706\u7684\u5468\u957f\u00d7\u9ad8S=ch
16\u3001\u5706\u67f1\u7684\u8868\u9762\u79ef=\u4e0a\u4e0b\u5e95\u9762\u9762\u79ef+\u4fa7\u9762\u79ef
S=2\u03c0r+2\u03c0rh=2\u03c0(d\u00f72)+2\u03c0(d\u00f72)h=2\u03c0(C\u00f72\u00f7\u03c0)+Ch
17\u3001\u5706\u67f1\u7684\u4f53\u79ef=\u5e95\u9762\u79ef\u00d7\u9ad8V=Sh
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18\u3001\u5706\u9525\u7684\u4f53\u79ef=\u5e95\u9762\u79ef\u00d7\u9ad8\u00f73
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2\u3001\u6b63\u65b9\u4f53V:\u4f53\u79efa:\u68f1\u957f\u8868\u9762\u79ef=\u68f1\u957f\u00d7\u68f1\u957f\u00d76S\u8868=a\u00d7a\u00d76\u4f53\u79ef=\u68f1\u957f\u00d7\u68f1\u957f\u00d7\u68f1\u957fV=a\u00d7a\u00d7a
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C=2(a+b)
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S=ab
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V:\u4f53\u79efs:\u9762\u79efa:\u957fb:\u5bbdh:\u9ad8
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V=abh
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