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float d = (float)(12f*(2f/14f)+14f*(2f/16f)+16f*(2f/18f)+18f*(2f/20f)+20f*(2f/22f)+1f/22f);
System.out.println(d);
int a = 12;
int b = 7;
double x = 0;
x = (double)((double)a/b+++(double)(a+=2)/b+++(double)(a+=2)/b+++(double)(a+=2)/b+++(double)(a+=2)/b+++(double)1/22);
double d = (double)12*(2/14)+14*(2/16)+16*(2/18)+18*(2/20)+20*(2/22)+1/22;
System.out.println(d);
int[] a = {12,14,16,18,41};
int[] b = {7,8,9,10,22};
int m = a[0]*b[1]*b[2]*b[3]*b[4] + a[1]*b[0]*b[2]*b[3]*b[4]
+ a[2]*b[0]*b[1]*b[3]*b[4] + a[3]*b[1]*b[2]*b[0]*b[4] + a[4]*b[1]*b[2]*b[3]*b[0];
int n = 7*8*9*10*22;
System.out.println(m+"-------"+n);
double d = (double)m/n;
System.out.println(d);