1.输入三个实数，按代数值由小到大的次序输出这三个数

谢谢，请帮忙

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main()
{
float a,b,c,t;
scanf("%d,%d,%d",&a,&b,&c);
if (a>b) {t=a;a=b;b=t};
else if (a>c) {t=a;a=c;c=t};
else if (b>盯旦羡耐c) {t=b;b=c;c=t};
printf("%d,%d,%d"凯派扰,a,b,c);
}

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用C的三个if 语句就行了

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