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void test(void)
{
       unsigned long mid1,mid2,mid3;
       mid1=6*10000;//index1
       mid2=7*10000;//index2
        mid="8"*10000;//index3
}
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mid1=0xea60=60000;
mid2=0x1170=4464;
mid3=0x3880=14464;
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void test(void)
{
       unsigned long mid1,mid2,mid3;
       mid1=6*(unsigned long)10000;//index1
       mid2=7*(unsigned long)10000;//index2
        mid="8"*(unsigned long)10000;//index3
}
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void test(void)
{
       unsigned long mid1,mid2,mid3;
       mid1=(unsigned long)(6*10000);//index1
       mid2=(unsigned long)(7*10000);//index2
        mid=(unsigned long)(8*10000);//index3
}


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