【简答题】三国时代的大数学家______,最早提出了圆周率的计算方法“割圆术”。他从圆内接正多边形人手,求得圆周率的近似值为3.14159。
【简答题】Fifty-three years ago Barbie Millicent Roberts first appeared in the world of toys. Since then, Barbie doll, as everyone called her,has become the most successful toy doll in history. Her parent,the M...
【单选题】由下属和弦与主和弦组成的进行,称为()。
【单选题】下列程序段的输出结果是______。 public class Test{ int a,b; Test( ){ a=100; b=200; } Test(int x,int y){ a=X; b=y; } public static void main(String args[ ]){ Test Obj1=new Test(12,45); System.out.println('a='+Obj1....