题目描述
<p> <!--[if gte mso 9]>Normal07.8 磅02falsefalsefalseMicrosoftInternetExplorer4<![endif]--> </p> <p> <!--[if gte mso 9]><![endif]--><!--[if gte mso 10]> <![endif]--> </p> <p class="MsoNormal"> <span style="font-family:宋体;color:black;">按下面要求编写程序:</span> </p> <p class="MsoNormal" style="text-indent:15.75pt;"> <span style="font-family:宋体;color:black;">(</span><span style="font-family:"color:black;">1</span><span style="font-family:宋体;color:black;">)定义函数</span><span style="font-family:"color:black;">fun(x)</span><span style="font-family:宋体;color:black;">计算</span><span style="font-family:"color:black;">x</span><sup><span style="font-family:"color:black;">2</span></sup><span style="font-family:"color:black;">-3.14x-6</span><span style="font-family:宋体;color:black;">,函数返回值类型是</span><span style="font-family:"color:black;">double</span><span style="font-family:宋体;color:black;">。</span> </p> <p class="MsoNormal"> <span style="font-family:"color:black;"><span> </span>(2)</span><span style="font-family:宋体;color:black;">输出一张函数表</span><span style="font-family:"color:black;">(</span><span style="font-family:宋体;color:black;">如下表所示</span><span style="font-family:"color:black;">)</span><span style="font-family:宋体;color:black;">,</span><span style="font-family:"color:black;">x</span><span style="font-family:宋体;color:black;">的取值范围是</span><span style="font-family:"color:black;">[-10,+10]</span><span style="font-family:宋体;color:black;">,每次增加</span><span style="font-family:"color:black;"> 1,y = x</span><sup><span style="font-family:"color:black;">2</span></sup><span style="font-family:"color:black;">-3.14x-6</span><span style="font-family:宋体;color:black;">。要求调用函数</span><span style="font-family:"color:black;">fun(x)</span><span style="font-family:宋体;color:black;">计算</span><span style="font-family:"color:black;">x</span><sup><span style="font-family:"color:black;">2</span></sup><span style="font-family:"color:black;">-3.14x-6</span><span style="font-family:宋体;color:black;">。</span> </p> <p class="MsoNormal"> <span style="font-family:"color:black;"> </span> </p> <div align="center"> <table class="MsoNormalTable" style="border-collapse:collapse;border:none;" border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="border:solid windowtext 1.0pt;" valign="top" width="118"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:Arial;color:black;">x</span> </p> </td> <td style="border:solid windowtext 1.0pt;" valign="top" width="112"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:Arial;color:black;">y</span> </p> </td> </tr> <tr> <td style="border:solid windowtext 1.0pt;" valign="top" width="118"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">-10</span> </p> </td> <td valign="top" width="112"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">125.40</span> </p> </td> </tr> <tr> <td style="border:solid windowtext 1.0pt;" valign="top" width="118"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">-9</span> </p> </td> <td valign="top" width="112"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">103.26</span> </p> </td> </tr> <tr> <td style="border:solid windowtext 1.0pt;" valign="top" width="118"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:黑体;color:black;"> ...</span> </p> </td> <td valign="top" width="112"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;"> </span> </p> </td> </tr> <tr> <td style="border:solid windowtext 1.0pt;" valign="top" width="118"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">9</span> </p> </td> <td valign="top" width="112"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">46.74</span> </p> </td> </tr> <tr> <td style="border:solid windowtext 1.0pt;" valign="top" width="118"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">10</span> </p> </td> <td valign="top" width="112"> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:"color:black;">62.60</span> </p> </td> </tr> </tbody> </table> </div> <p class="MsoNormal" style="text-align:center;" align="center"> <span style="font-family:黑体;"> </span> </p>
输入格式
输出格式
<p> x前有空格,xy直接用制表符分割,y保留两位小数 </p>
样例
样例输入 1
没有输入
样例输出 1
x y
-10 125.40
-9 103.26
-8 83.12
-7 64.98
-6 48.84
-5 34.70
-4 22.56
-3 12.42
-2 4.28
-1 -1.86
0 -6.00
1 -8.14
2 -8.28
3 -6.42
4 -2.56
5 3.30
6 11.16
7 21.02
8 32.88
9 46.74
10 62.60
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