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//1.
double a1 = 12.23;
double a2 = a1 * 100; //a2=1223.0
//2.
double d1 = 66.24;
double d2 = d1 * 100; //d2=6623.9999999999991
//3.
decimal p1 = 12.34m;
decimal p2 = p1 * 100; //p2=1234
//4.
double dd1 = 1;
double dd2 = 3;
double dd3 = dd1 / dd2 * dd2; //dd3=1.0
//5.
decimal pp1 = 1;
decimal pp2 = 3;
decimal pp3 = pp1 / pp2 * pp2; //pp3=0.9999999999999999999999999999M