#include<iostream.h>
void main()
{
<wbr>int a,b,sum;<br><wbr>char t;<br><wbr>cout<<"输入 a,b:";<br><wbr>cin>>a>>b;<br><wbr>cout<<"请输入(+,-,*,/):";<br><wbr>cin>>t;<br><wbr>switch(t)<br><wbr>{<br><wbr>case '+':<br><wbr> sum=a+b; <br><wbr> break;<br><wbr>case '-':<br><wbr> if(a>b)<br><wbr><wbr> sum=a-b;<br><wbr> else<br><wbr><wbr> sum=b-a;<br><wbr> break;<br><wbr>case '*':<br><wbr> sum=a*b;<br><wbr> break;<br><wbr>case '/':<br><wbr> sum=a/b;<br><wbr> break;<br><wbr>}<br><wbr>cout<<"sum="<<sum<<endl;<br> } </wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
void main()
{
<wbr>int a,b,sum;<br><wbr>char t;<br><wbr>cout<<"输入 a,b:";<br><wbr>cin>>a>>b;<br><wbr>cout<<"请输入(+,-,*,/):";<br><wbr>cin>>t;<br><wbr>switch(t)<br><wbr>{<br><wbr>case '+':<br><wbr> sum=a+b; <br><wbr> break;<br><wbr>case '-':<br><wbr> if(a>b)<br><wbr><wbr> sum=a-b;<br><wbr> else<br><wbr><wbr> sum=b-a;<br><wbr> break;<br><wbr>case '*':<br><wbr> sum=a*b;<br><wbr> break;<br><wbr>case '/':<br><wbr> sum=a/b;<br><wbr> break;<br><wbr>}<br><wbr>cout<<"sum="<<sum<<endl;<br> } </wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
此博客展示了如何通过输入操作获取用户输入的数值,并进行基本的加减乘除运算,实现简单的数学计算。
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