Merge branch 'master' of http://bdgit.educoder.net/p63207195/plfec49fj

chen.java

@@ -0,0 +1,11 @@
+package sxv;
+
+public class chen {
+	double che(double w,double e)
+	{
+		double y;
+		y=w*e;
+		return y;	
+}
+}
+

chu.java

@@ -0,0 +1,10 @@
+package sxv;
+
+public class chu {
+	double ch(double w,double e)
+	{
+		double y;
+		y=w/e;
+		return y;	
+}
+}

ds.java

@@ -0,0 +1,11 @@
+package sxv;
+
+public class ds {
+	double d(double w,double e)
+	{
+		double y;
+		y=Math.sqrt(w);
+		return y;	
+}
+}
+

mo.java

@@ -0,0 +1,10 @@
+package sxv;
+
+public class mi {
+double m(double w,double e)
+{
+	double y;
+	y=Math.pow(w, e);
+	return y;	
+}
+}