k1 = 99/100;
k2 = 1/10000;
k3 = 3/10;
k4 = 1/10000000;
k5 = 999899/1000000;
k6 = 1;
k7 = 150;
k8 = 1/1000;
k9 = 1000000;
k10 = 1;