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x∈[2,3]在C语言中怎么表示

x∈[2,3]在C语言中可用下面语句: if( (x>=2) && (x2) && (x

x∈[2,3]==》 x>=2&&x

1

#include #include double fun(double x,double x0,double x1,double x2,double y0,double y1,double y2) { double yx=0; yx=y0*(x-x1)*(x-x2)/((x0-x1)*(x0-x2))+ y1*(x-x0)*(x-x2)/((x1-x0)*(x1-x2))+ y2*(x-x0)*(x-x1)/((x2-x0)*(x2-x1));//3...

#include #include double fun(double x,double x0,double x1,double x2,double y0,double y1,double y2) { double yx=0; yx=y0*(x-x1)*(x-x2)/((x0-x1)*(x0-x2))+ y1*(x-x0)*(x-x2)/((x1-x0)*(x1-x2))+ y2*(x-x0)*(x-x1)/((x2-x0)*(x2-x1));//3...

#include#includelonglongFact(intn){if(n==1)return1;returnn*Fact(n-1);}voidmain(){intn;longlongx=0;scanf("%d",&n);while(n>0)x+=Fact(n--);printf("\nx=%d\n",x);}

我在纸上写道: 设某顾客买茶杯x只,付款y元,(x>3且x∈N),则 ...C语言文件操作函数例子教程:[2]fclose函数_百度经验 1 函数及其理论在生活中的...

…… int A[N], B[M],min,t,x,y; ∥给A,B赋值部分略; min=1

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