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#include<stdio.h>
#°¸ÐÐÇå×ß¿öÊÕÕ⻵Ëû¼×È¥include<math.h>

voidmain()
{
floata,b;
charc;
printf("\ninputa£º");
scanf("%fδǰÁõ",&a);
printf("\niÁ÷Ñé¾õnputb£º")¾©ÏҸż´Ð볡²ì¶¼ÎÊÒò;
scanf("%f",&b×ÊÁ¼±ðÒ»Ðòϲ³ÌסÒå);
//ÕâÖÖÇé¿ö¾­³£Óöµ½¡£¡£¡£¡£ÊäÈëÍêºó»Ø³µ±»ÏÂÒ»¸öscanf("%c",&c)²¶»ñÁË¡£
//ÒòΪ»Ø³µ·ûÒ²ÊÇ×Ö·û£¬ËùÒÔÄã°´»Ø³µºó£¬³ÌÐòÒÔΪÊÇÊäÈëÁËcµÄÖµÁË
//ËùÒÔ¼ÓÉÏÏÂÃæÒ»ÐУ¬°Ñ»Ø³µ·ûÈ¡×߾ͿÉÒÔÁË¡£¡£¡£¡£
getchar();
printf("\ninpuºõȼ°²³¤¶àÃÀ»¨Öø¿¼tc£º");
scanf("%c",&c);
//print¿éf("\n%c",c);
switch(c)
{
case'+':printf("a+b=%f",ÏȹØÑÔÅä»á¹¤a+b);bre**;
case'-':printf("a-b=%f",a-ɱb);bre**;
cas×ùÔÙÕÔ×öÖÁe'*':printf("a*b=%f",a*b);bre**;
case'/':printf("a/b=%f",a/b);bre**;
default:bre**;
}
//ΪÁ˺ÿ´
printf("\n");
}